20013458640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{673}}^1$

素因数の和:1298

約数の個数: 320

約数和(自身を含む): 73429204992

約数和(自身を除く): 53415746352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 571, 620, 651, 673, 744, 840, 868, 930, 1085, 1142, 1240, 1302, 1346, 1488, 1680, 1713, 1736, 1860, 2019, 2170, 2284, 2480, 2604, 2692, 2855, 3255, 3365, 3426, 3472, 3720, 3997, 4038, 4340, 4568, 4711, 5208, 5384, 5710, 6510, 6730, 6852, 7440, 7994, 8076, 8565, 8680, 9136, 9422, 10095, 10416, 10768, 11420, 11991, 13020, 13460, 13704, 14133, 15988, 16152, 17130, 17360, 17701, 18844, 19985, 20190, 20863, 22840, 23555, 23982, 26040, 26920, 27408, 28266, 31976, 32304, 34260, 35402, 37688, 39970, 40380, 41726, 45680, 47110, 47964, 52080, 53103, 53840, 56532, 59955, 62589, 63952, 68520, 70665, 70804, 75376, 79940, 80760, 83452, 88505, 94220, 95928, 104315, 106206, 113064, 119910, 123907, 125178, 137040, 141330, 141608, 146041, 159880, 161520, 166904, 177010, 188440, 191856, 208630, 212412, 226128, 239820, 247814, 250356, 265515, 282660, 283216, 292082, 312945, 319760, 333808, 354020, 371721, 376880, 384283, 417260, 424824, 438123, 479640, 495628, 500712, 531030, 565320, 584164, 619535, 625890, 708040, 730205, 743442, 768566, 834520, 849648, 876246, 959280, 991256, 1001424, 1062060, 1130640, 1152849, 1168328, 1239070, 1251780, 1416080, 1460410, 1486884, 1537132, 1669040, 1752492, 1858605, 1921415, 1982512, 2124120, 2190615, 2305698, 2336656, 2478140, 2503560, 2689981, 2920820, 2973768, 3074264, 3504984, 3717210, 3842830, 4248240, 4381230, 4611396, 4956280, 5007120, 5379962, 5764245, 5841640, 5947536, 6148528, 7009968, 7434420, 7685660, 8069943, 8762460, 9222792, 9912560, 10759924, 11528490, 11683280, 11912773, 13449905, 14868840, 15371320, 16139886, 17524920, 18445584, 21519848, 23056980, 23825546, 26899810, 29737680, 30742640, 32279772, 35049840, 35738319, 40349715, 43039696, 46113960, 47651092, 53799620, 59563865, 64559544, 71476638, 80699430, 83389411, 92227920, 95302184, 107599240, 119127730, 129119088, 142953276, 161398860, 166778822, 178691595, 190604368, 215198480, 238255460, 250168233, 285906552, 322797720, 333557644, 357383190, 416947055, 476510920, 500336466, 571813104, 645595440, 667115288, 714766380, 833894110, 953021840, 1000672932, 1250841165, 1334230576, 1429532760, 1667788220, 2001345864, 2501682330, 2859065520, 3335576440, 4002691728, 5003364660, 6671152880, 10006729320, 20013458640]

約数ペア:

[(1, 20013458640), (2, 10006729320), (3, 6671152880), (4, 5003364660), (5, 4002691728), (6, 3335576440), (7, 2859065520), (8, 2501682330), (10, 2001345864), (12, 1667788220), (14, 1429532760), (15, 1334230576), (16, 1250841165), (20, 1000672932), (21, 953021840), (24, 833894110), (28, 714766380), (30, 667115288), (31, 645595440), (35, 571813104), (40, 500336466), (42, 476510920), (48, 416947055), (56, 357383190), (60, 333557644), (62, 322797720), (70, 285906552), (80, 250168233), (84, 238255460), (93, 215198480), (105, 190604368), (112, 178691595), (120, 166778822), (124, 161398860), (140, 142953276), (155, 129119088), (168, 119127730), (186, 107599240), (210, 95302184), (217, 92227920), (240, 83389411), (248, 80699430), (280, 71476638), (310, 64559544), (336, 59563865), (372, 53799620), (420, 47651092), (434, 46113960), (465, 43039696), (496, 40349715), (560, 35738319), (571, 35049840), (620, 32279772), (651, 30742640), (673, 29737680), (744, 26899810), (840, 23825546), (868, 23056980), (930, 21519848), (1085, 18445584), (1142, 17524920), (1240, 16139886), (1302, 15371320), (1346, 14868840), (1488, 13449905), (1680, 11912773), (1713, 11683280), (1736, 11528490), (1860, 10759924), (2019, 9912560), (2170, 9222792), (2284, 8762460), (2480, 8069943), (2604, 7685660), (2692, 7434420), (2855, 7009968), (3255, 6148528), (3365, 5947536), (3426, 5841640), (3472, 5764245), (3720, 5379962), (3997, 5007120), (4038, 4956280), (4340, 4611396), (4568, 4381230), (4711, 4248240), (5208, 3842830), (5384, 3717210), (5710, 3504984), (6510, 3074264), (6730, 2973768), (6852, 2920820), (7440, 2689981), (7994, 2503560), (8076, 2478140), (8565, 2336656), (8680, 2305698), (9136, 2190615), (9422, 2124120), (10095, 1982512), (10416, 1921415), (10768, 1858605), (11420, 1752492), (11991, 1669040), (13020, 1537132), (13460, 1486884), (13704, 1460410), (14133, 1416080), (15988, 1251780), (16152, 1239070), (17130, 1168328), (17360, 1152849), (17701, 1130640), (18844, 1062060), (19985, 1001424), (20190, 991256), (20863, 959280), (22840, 876246), (23555, 849648), (23982, 834520), (26040, 768566), (26920, 743442), (27408, 730205), (28266, 708040), (31976, 625890), (32304, 619535), (34260, 584164), (35402, 565320), (37688, 531030), (39970, 500712), (40380, 495628), (41726, 479640), (45680, 438123), (47110, 424824), (47964, 417260), (52080, 384283), (53103, 376880), (53840, 371721), (56532, 354020), (59955, 333808), (62589, 319760), (63952, 312945), (68520, 292082), (70665, 283216), (70804, 282660), (75376, 265515), (79940, 250356), (80760, 247814), (83452, 239820), (88505, 226128), (94220, 212412), (95928, 208630), (104315, 191856), (106206, 188440), (113064, 177010), (119910, 166904), (123907, 161520), (125178, 159880), (137040, 146041), (141330, 141608)]