20899681450

素因数分解:

$2^1\times 5^2\times {\mathrm{523}}^1\times {\mathrm{799223}}^1$

素因数の和:799758

約数の個数: 24

約数和(自身を含む): 38947783968

約数和(自身を除く): 18048102518

約数列:

[1, 2, 5, 10, 25, 50, 523, 1046, 2615, 5230, 13075, 26150, 799223, 1598446, 3996115, 7992230, 19980575, 39961150, 417993629, 835987258, 2089968145, 4179936290, 10449840725, 20899681450]

約数ペア:

[(1, 20899681450), (2, 10449840725), (5, 4179936290), (10, 2089968145), (25, 835987258), (50, 417993629), (523, 39961150), (1046, 19980575), (2615, 7992230), (5230, 3996115), (13075, 1598446), (26150, 799223)]