20093360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 54478656

約数和(自身を除く): 34385296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 677, 742, 848, 1060, 1354, 1484, 1855, 2120, 2708, 2968, 3385, 3710, 4240, 4739, 5416, 5936, 6770, 7420, 9478, 10832, 13540, 14840, 18956, 23695, 27080, 29680, 35881, 37912, 47390, 54160, 71762, 75824, 94780, 143524, 179405, 189560, 251167, 287048, 358810, 379120, 502334, 574096, 717620, 1004668, 1255835, 1435240, 2009336, 2511670, 2870480, 4018672, 5023340, 10046680, 20093360]

約数ペア:

[(1, 20093360), (2, 10046680), (4, 5023340), (5, 4018672), (7, 2870480), (8, 2511670), (10, 2009336), (14, 1435240), (16, 1255835), (20, 1004668), (28, 717620), (35, 574096), (40, 502334), (53, 379120), (56, 358810), (70, 287048), (80, 251167), (106, 189560), (112, 179405), (140, 143524), (212, 94780), (265, 75824), (280, 71762), (371, 54160), (424, 47390), (530, 37912), (560, 35881), (677, 29680), (742, 27080), (848, 23695), (1060, 18956), (1354, 14840), (1484, 13540), (1855, 10832), (2120, 9478), (2708, 7420), (2968, 6770), (3385, 5936), (3710, 5416), (4240, 4739)]