20187054960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{61441}}^1$

素因数の和:61531

約数の個数: 120

約数和(自身を含む): 64317977136

約数和(自身を除く): 44130922176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1369, 1480, 1776, 2220, 2738, 2960, 4107, 4440, 5476, 6845, 8214, 8880, 10952, 13690, 16428, 20535, 21904, 27380, 32856, 41070, 54760, 61441, 65712, 82140, 109520, 122882, 164280, 184323, 245764, 307205, 328560, 368646, 491528, 614410, 737292, 921615, 983056, 1228820, 1474584, 1843230, 2273317, 2457640, 2949168, 3686460, 4546634, 4915280, 6819951, 7372920, 9093268, 11366585, 13639902, 14745840, 18186536, 22733170, 27279804, 34099755, 36373072, 45466340, 54559608, 68199510, 84112729, 90932680, 109119216, 136399020, 168225458, 181865360, 252338187, 272798040, 336450916, 420563645, 504676374, 545596080, 672901832, 841127290, 1009352748, 1261690935, 1345803664, 1682254580, 2018705496, 2523381870, 3364509160, 4037410992, 5046763740, 6729018320, 10093527480, 20187054960]

約数ペア:

[(1, 20187054960), (2, 10093527480), (3, 6729018320), (4, 5046763740), (5, 4037410992), (6, 3364509160), (8, 2523381870), (10, 2018705496), (12, 1682254580), (15, 1345803664), (16, 1261690935), (20, 1009352748), (24, 841127290), (30, 672901832), (37, 545596080), (40, 504676374), (48, 420563645), (60, 336450916), (74, 272798040), (80, 252338187), (111, 181865360), (120, 168225458), (148, 136399020), (185, 109119216), (222, 90932680), (240, 84112729), (296, 68199510), (370, 54559608), (444, 45466340), (555, 36373072), (592, 34099755), (740, 27279804), (888, 22733170), (1110, 18186536), (1369, 14745840), (1480, 13639902), (1776, 11366585), (2220, 9093268), (2738, 7372920), (2960, 6819951), (4107, 4915280), (4440, 4546634), (5476, 3686460), (6845, 2949168), (8214, 2457640), (8880, 2273317), (10952, 1843230), (13690, 1474584), (16428, 1228820), (20535, 983056), (21904, 921615), (27380, 737292), (32856, 614410), (41070, 491528), (54760, 368646), (61441, 328560), (65712, 307205), (82140, 245764), (109520, 184323), (122882, 164280)]