20945002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{7129}}^1$

素因数の和:7257

約数の個数: 16

約数和(自身を含む): 34138440

約数和(自身を除く): 13193438

約数列:

[1, 2, 13, 26, 113, 226, 1469, 2938, 7129, 14258, 92677, 185354, 805577, 1611154, 10472501, 20945002]

約数ペア:

[(1, 20945002), (2, 10472501), (13, 1611154), (26, 805577), (113, 185354), (226, 92677), (1469, 14258), (2938, 7129)]