20645192806

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{10763917}}^1$

素因数の和:10764063

約数の個数: 16

約数和(自身を含む): 35650096416

約数和(自身を除く): 15004903610

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 10763917, 21527834, 75347419, 150694838, 1474656629, 2949313258, 10322596403, 20645192806]

約数ペア:

[(1, 20645192806), (2, 10322596403), (7, 2949313258), (14, 1474656629), (137, 150694838), (274, 75347419), (959, 21527834), (1918, 10763917)]