20016546

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 24671454

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 121, 158, 237, 242, 349, 363, 474, 698, 726, 869, 1047, 1738, 2094, 2607, 3839, 5214, 7678, 9559, 11517, 19118, 23034, 27571, 28677, 42229, 55142, 57354, 82713, 84458, 126687, 165426, 253374, 303281, 606562, 909843, 1819686, 3336091, 6672182, 10008273, 20016546]

約数ペア:

[(1, 20016546), (2, 10008273), (3, 6672182), (6, 3336091), (11, 1819686), (22, 909843), (33, 606562), (66, 303281), (79, 253374), (121, 165426), (158, 126687), (237, 84458), (242, 82713), (349, 57354), (363, 55142), (474, 42229), (698, 28677), (726, 27571), (869, 23034), (1047, 19118), (1738, 11517), (2094, 9559), (2607, 7678), (3839, 5214)]