20455730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70537}}^1$

素因数の和:70573

約数の個数: 16

約数和(自身を含む): 38090520

約数和(自身を除く): 17634790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70537, 141074, 352685, 705370, 2045573, 4091146, 10227865, 20455730]

約数ペア:

[(1, 20455730), (2, 10227865), (5, 4091146), (10, 2045573), (29, 705370), (58, 352685), (145, 141074), (290, 70537)]