20876880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2404

約数の個数: 80

約数和(自身を含む): 66495744

約数和(自身を除く): 45618864

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, 1480, 1776, 2220, 2351, 2960, 4440, 4702, 7053, 8880, 9404, 11755, 14106, 18808, 23510, 28212, 35265, 37616, 47020, 56424, 70530, 86987, 94040, 112848, 141060, 173974, 188080, 260961, 282120, 347948, 434935, 521922, 564240, 695896, 869870, 1043844, 1304805, 1391792, 1739740, 2087688, 2609610, 3479480, 4175376, 5219220, 6958960, 10438440, 20876880]

約数ペア:

[(1, 20876880), (2, 10438440), (3, 6958960), (4, 5219220), (5, 4175376), (6, 3479480), (8, 2609610), (10, 2087688), (12, 1739740), (15, 1391792), (16, 1304805), (20, 1043844), (24, 869870), (30, 695896), (37, 564240), (40, 521922), (48, 434935), (60, 347948), (74, 282120), (80, 260961), (111, 188080), (120, 173974), (148, 141060), (185, 112848), (222, 94040), (240, 86987), (296, 70530), (370, 56424), (444, 47020), (555, 37616), (592, 35265), (740, 28212), (888, 23510), (1110, 18808), (1480, 14106), (1776, 11755), (2220, 9404), (2351, 8880), (2960, 7053), (4440, 4702)]