20013110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153947}}^1$

素因数の和:153967

約数の個数: 16

約数和(自身を含む): 38794896

約数和(自身を除く): 18781786

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153947, 307894, 769735, 1539470, 2001311, 4002622, 10006555, 20013110]

約数ペア:

[(1, 20013110), (2, 10006555), (5, 4002622), (10, 2001311), (13, 1539470), (26, 769735), (65, 307894), (130, 153947)]