20960039360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:663

約数の個数: 224

約数和(自身を含む): 54865950720

約数和(自身を除く): 33905911360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 127, 130, 160, 194, 208, 254, 260, 320, 388, 409, 416, 485, 508, 520, 635, 776, 818, 832, 970, 1016, 1040, 1261, 1270, 1552, 1636, 1651, 1940, 2032, 2045, 2080, 2522, 2540, 3104, 3272, 3302, 3880, 4064, 4090, 4160, 5044, 5080, 5317, 6208, 6305, 6544, 6604, 7760, 8128, 8180, 8255, 10088, 10160, 10634, 12319, 12610, 13088, 13208, 15520, 16360, 16510, 20176, 20320, 21268, 24638, 25220, 26176, 26416, 26585, 31040, 32720, 33020, 39673, 40352, 40640, 42536, 49276, 50440, 51943, 52832, 53170, 61595, 65440, 66040, 79346, 80704, 85072, 98552, 100880, 103886, 105664, 106340, 123190, 130880, 132080, 158692, 160147, 170144, 197104, 198365, 201760, 207772, 212680, 246380, 259715, 264160, 317384, 320294, 340288, 394208, 396730, 403520, 415544, 425360, 492760, 515749, 519430, 528320, 634768, 640588, 675259, 788416, 793460, 800735, 831088, 850720, 985520, 1031498, 1038860, 1269536, 1281176, 1350518, 1586920, 1601470, 1662176, 1701440, 1971040, 2062996, 2077720, 2539072, 2562352, 2578745, 2701036, 3173840, 3202940, 3324352, 3376295, 3942080, 4125992, 4155440, 5038471, 5124704, 5157490, 5402072, 6347680, 6405880, 6752590, 8251984, 8310880, 10076942, 10249408, 10314980, 10804144, 12695360, 12811760, 13505180, 16503968, 16621760, 20153884, 20629960, 21608288, 25192355, 25623520, 27010360, 33007936, 40307768, 41259920, 43216576, 50384710, 51247040, 54020720, 65500123, 80615536, 82519840, 100769420, 108041440, 131000246, 161231072, 165039680, 201538840, 216082880, 262000492, 322462144, 327500615, 403077680, 524000984, 655001230, 806155360, 1048001968, 1310002460, 1612310720, 2096003936, 2620004920, 4192007872, 5240009840, 10480019680, 20960039360]

約数ペア:

[(1, 20960039360), (2, 10480019680), (4, 5240009840), (5, 4192007872), (8, 2620004920), (10, 2096003936), (13, 1612310720), (16, 1310002460), (20, 1048001968), (26, 806155360), (32, 655001230), (40, 524000984), (52, 403077680), (64, 327500615), (65, 322462144), (80, 262000492), (97, 216082880), (104, 201538840), (127, 165039680), (130, 161231072), (160, 131000246), (194, 108041440), (208, 100769420), (254, 82519840), (260, 80615536), (320, 65500123), (388, 54020720), (409, 51247040), (416, 50384710), (485, 43216576), (508, 41259920), (520, 40307768), (635, 33007936), (776, 27010360), (818, 25623520), (832, 25192355), (970, 21608288), (1016, 20629960), (1040, 20153884), (1261, 16621760), (1270, 16503968), (1552, 13505180), (1636, 12811760), (1651, 12695360), (1940, 10804144), (2032, 10314980), (2045, 10249408), (2080, 10076942), (2522, 8310880), (2540, 8251984), (3104, 6752590), (3272, 6405880), (3302, 6347680), (3880, 5402072), (4064, 5157490), (4090, 5124704), (4160, 5038471), (5044, 4155440), (5080, 4125992), (5317, 3942080), (6208, 3376295), (6305, 3324352), (6544, 3202940), (6604, 3173840), (7760, 2701036), (8128, 2578745), (8180, 2562352), (8255, 2539072), (10088, 2077720), (10160, 2062996), (10634, 1971040), (12319, 1701440), (12610, 1662176), (13088, 1601470), (13208, 1586920), (15520, 1350518), (16360, 1281176), (16510, 1269536), (20176, 1038860), (20320, 1031498), (21268, 985520), (24638, 850720), (25220, 831088), (26176, 800735), (26416, 793460), (26585, 788416), (31040, 675259), (32720, 640588), (33020, 634768), (39673, 528320), (40352, 519430), (40640, 515749), (42536, 492760), (49276, 425360), (50440, 415544), (51943, 403520), (52832, 396730), (53170, 394208), (61595, 340288), (65440, 320294), (66040, 317384), (79346, 264160), (80704, 259715), (85072, 246380), (98552, 212680), (100880, 207772), (103886, 201760), (105664, 198365), (106340, 197104), (123190, 170144), (130880, 160147), (132080, 158692)]