20442812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3001}}^1$

素因数の和:3149

約数の個数: 24

約数和(自身を含む): 38833872

約数和(自身を除く): 18391060

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3001, 3406, 6002, 6812, 12004, 39013, 78026, 156052, 393131, 786262, 1572524, 5110703, 10221406, 20442812]

約数ペア:

[(1, 20442812), (2, 10221406), (4, 5110703), (13, 1572524), (26, 786262), (52, 393131), (131, 156052), (262, 78026), (524, 39013), (1703, 12004), (3001, 6812), (3406, 6002)]