20064277640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{79861}}^1$

素因数の和:80454

約数の個数: 64

約数和(自身を含む): 49335549120

約数和(自身を除く): 29271271480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 571, 1142, 2284, 2855, 4568, 5710, 6281, 11420, 12562, 22840, 25124, 31405, 50248, 62810, 79861, 125620, 159722, 251240, 319444, 399305, 638888, 798610, 878471, 1597220, 1756942, 3194440, 3513884, 4392355, 7027768, 8784710, 17569420, 35138840, 45600631, 91201262, 182402524, 228003155, 364805048, 456006310, 501606941, 912012620, 1003213882, 1824025240, 2006427764, 2508034705, 4012855528, 5016069410, 10032138820, 20064277640]

約数ペア:

[(1, 20064277640), (2, 10032138820), (4, 5016069410), (5, 4012855528), (8, 2508034705), (10, 2006427764), (11, 1824025240), (20, 1003213882), (22, 912012620), (40, 501606941), (44, 456006310), (55, 364805048), (88, 228003155), (110, 182402524), (220, 91201262), (440, 45600631), (571, 35138840), (1142, 17569420), (2284, 8784710), (2855, 7027768), (4568, 4392355), (5710, 3513884), (6281, 3194440), (11420, 1756942), (12562, 1597220), (22840, 878471), (25124, 798610), (31405, 638888), (50248, 399305), (62810, 319444), (79861, 251240), (125620, 159722)]