20565577988

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{916633}}^1$

素因数の和:916787

約数の個数: 24

約数和(自身を含む): 36958682880

約数和(自身を除く): 16393104892

約数列:

[1, 2, 4, 71, 79, 142, 158, 284, 316, 5609, 11218, 22436, 916633, 1833266, 3666532, 65080943, 72414007, 130161886, 144828014, 260323772, 289656028, 5141394497, 10282788994, 20565577988]

約数ペア:

[(1, 20565577988), (2, 10282788994), (4, 5141394497), (71, 289656028), (79, 260323772), (142, 144828014), (158, 130161886), (284, 72414007), (316, 65080943), (5609, 3666532), (11218, 1833266), (22436, 916633)]