20513146

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1473

約数の個数: 16

約数和(自身を含む): 31501800

約数和(自身を除く): 10988654

約数列:

[1, 2, 73, 109, 146, 218, 1289, 2578, 7957, 15914, 94097, 140501, 188194, 281002, 10256573, 20513146]

約数ペア:

[(1, 20513146), (2, 10256573), (73, 281002), (109, 188194), (146, 140501), (218, 94097), (1289, 15914), (2578, 7957)]