20971294

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 32074560

約数和(自身を除く): 11103266

約数列:

[1, 2, 73, 146, 239, 478, 601, 1202, 17447, 34894, 43873, 87746, 143639, 287278, 10485647, 20971294]

約数ペア:

[(1, 20971294), (2, 10485647), (73, 287278), (146, 143639), (239, 87746), (478, 43873), (601, 34894), (1202, 17447)]