168072020

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{12413}}^1$

素因数の和:13099

約数の個数: 24

約数和(自身を含む): 353501064

約数和(自身を除く): 185429044

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6770, 12413, 13540, 24826, 49652, 62065, 124130, 248260, 8403601, 16807202, 33614404, 42018005, 84036010, 168072020]

約数ペア:

[(1, 168072020), (2, 84036010), (4, 42018005), (5, 33614404), (10, 16807202), (20, 8403601), (677, 248260), (1354, 124130), (2708, 62065), (3385, 49652), (6770, 24826), (12413, 13540)]