20491652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3413}}^1$

素因数の和:3515

約数の個数: 24

約数和(自身を含む): 38236800

約数和(自身を除く): 17745148

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3413, 6004, 6826, 13652, 64847, 129694, 259388, 269627, 539254, 1078508, 5122913, 10245826, 20491652]

約数ペア:

[(1, 20491652), (2, 10245826), (4, 5122913), (19, 1078508), (38, 539254), (76, 269627), (79, 259388), (158, 129694), (316, 64847), (1501, 13652), (3002, 6826), (3413, 6004)]