20687640356

素因数分解:

$2^2\times {\mathrm{3677}}^1\times {\mathrm{1406557}}^1$

素因数の和:1410238

約数の個数: 12

約数和(自身を含む): 36213242268

約数和(自身を除く): 15525601912

約数列:

[1, 2, 4, 3677, 7354, 14708, 1406557, 2813114, 5626228, 5171910089, 10343820178, 20687640356]

約数ペア:

[(1, 20687640356), (2, 10343820178), (4, 5171910089), (3677, 5626228), (7354, 2813114), (14708, 1406557)]