20193401040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{2671}}^1$

素因数の和:2830

約数の個数: 240

約数和(自身を含む): 67133679360

約数和(自身を除く): 46940278320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 109, 120, 136, 170, 204, 218, 240, 255, 272, 289, 327, 340, 408, 436, 510, 545, 578, 654, 680, 816, 867, 872, 1020, 1090, 1156, 1308, 1360, 1445, 1635, 1734, 1744, 1853, 2040, 2180, 2312, 2616, 2671, 2890, 3270, 3468, 3706, 4080, 4335, 4360, 4624, 5232, 5342, 5559, 5780, 6540, 6936, 7412, 8013, 8670, 8720, 9265, 10684, 11118, 11560, 13080, 13355, 13872, 14824, 16026, 17340, 18530, 21368, 22236, 23120, 26160, 26710, 27795, 29648, 31501, 32052, 34680, 37060, 40065, 42736, 44472, 45407, 53420, 55590, 63002, 64104, 69360, 74120, 80130, 88944, 90814, 94503, 106840, 111180, 126004, 128208, 136221, 148240, 157505, 160260, 181628, 189006, 213680, 222360, 227035, 252008, 272442, 291139, 315010, 320520, 363256, 378012, 444720, 454070, 472515, 504016, 544884, 582278, 630020, 641040, 681105, 726512, 756024, 771919, 873417, 908140, 945030, 1089768, 1164556, 1260040, 1362210, 1455695, 1512048, 1543838, 1746834, 1816280, 1890060, 2179536, 2315757, 2329112, 2520080, 2724420, 2911390, 3087676, 3493668, 3632560, 3780120, 3859595, 4367085, 4631514, 4658224, 4949363, 5448840, 5822780, 6175352, 6987336, 7560240, 7719190, 8734170, 9263028, 9898726, 10897680, 11578785, 11645560, 12350704, 13974672, 14848089, 15438380, 17468340, 18526056, 19797452, 23157570, 23291120, 24746815, 29696178, 30876760, 34936680, 37052112, 39594904, 46315140, 49493630, 59392356, 61753520, 69873360, 74240445, 79189808, 84139171, 92630280, 98987260, 118784712, 148480890, 168278342, 185260560, 197974520, 237569424, 252417513, 296961780, 336556684, 395949040, 420695855, 504835026, 593923560, 673113368, 841391710, 1009670052, 1187847120, 1262087565, 1346226736, 1682783420, 2019340104, 2524175130, 3365566840, 4038680208, 5048350260, 6731133680, 10096700520, 20193401040]

約数ペア:

[(1, 20193401040), (2, 10096700520), (3, 6731133680), (4, 5048350260), (5, 4038680208), (6, 3365566840), (8, 2524175130), (10, 2019340104), (12, 1682783420), (15, 1346226736), (16, 1262087565), (17, 1187847120), (20, 1009670052), (24, 841391710), (30, 673113368), (34, 593923560), (40, 504835026), (48, 420695855), (51, 395949040), (60, 336556684), (68, 296961780), (80, 252417513), (85, 237569424), (102, 197974520), (109, 185260560), (120, 168278342), (136, 148480890), (170, 118784712), (204, 98987260), (218, 92630280), (240, 84139171), (255, 79189808), (272, 74240445), (289, 69873360), (327, 61753520), (340, 59392356), (408, 49493630), (436, 46315140), (510, 39594904), (545, 37052112), (578, 34936680), (654, 30876760), (680, 29696178), (816, 24746815), (867, 23291120), (872, 23157570), (1020, 19797452), (1090, 18526056), (1156, 17468340), (1308, 15438380), (1360, 14848089), (1445, 13974672), (1635, 12350704), (1734, 11645560), (1744, 11578785), (1853, 10897680), (2040, 9898726), (2180, 9263028), (2312, 8734170), (2616, 7719190), (2671, 7560240), (2890, 6987336), (3270, 6175352), (3468, 5822780), (3706, 5448840), (4080, 4949363), (4335, 4658224), (4360, 4631514), (4624, 4367085), (5232, 3859595), (5342, 3780120), (5559, 3632560), (5780, 3493668), (6540, 3087676), (6936, 2911390), (7412, 2724420), (8013, 2520080), (8670, 2329112), (8720, 2315757), (9265, 2179536), (10684, 1890060), (11118, 1816280), (11560, 1746834), (13080, 1543838), (13355, 1512048), (13872, 1455695), (14824, 1362210), (16026, 1260040), (17340, 1164556), (18530, 1089768), (21368, 945030), (22236, 908140), (23120, 873417), (26160, 771919), (26710, 756024), (27795, 726512), (29648, 681105), (31501, 641040), (32052, 630020), (34680, 582278), (37060, 544884), (40065, 504016), (42736, 472515), (44472, 454070), (45407, 444720), (53420, 378012), (55590, 363256), (63002, 320520), (64104, 315010), (69360, 291139), (74120, 272442), (80130, 252008), (88944, 227035), (90814, 222360), (94503, 213680), (106840, 189006), (111180, 181628), (126004, 160260), (128208, 157505), (136221, 148240)]