20967597872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3571}}^1\times {\mathrm{28229}}^1$

素因数の和:31821

約数の個数: 40

約数和(自身を含む): 43763501040

約数和(自身を除く): 22795903168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3571, 7142, 14284, 28229, 28568, 46423, 56458, 57136, 92846, 112916, 185692, 225832, 366977, 371384, 451664, 733954, 742768, 1467908, 2935816, 5871632, 100805759, 201611518, 403223036, 806446072, 1310474867, 1612892144, 2620949734, 5241899468, 10483798936, 20967597872]

約数ペア:

[(1, 20967597872), (2, 10483798936), (4, 5241899468), (8, 2620949734), (13, 1612892144), (16, 1310474867), (26, 806446072), (52, 403223036), (104, 201611518), (208, 100805759), (3571, 5871632), (7142, 2935816), (14284, 1467908), (28229, 742768), (28568, 733954), (46423, 451664), (56458, 371384), (57136, 366977), (92846, 225832), (112916, 185692)]