20896450

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2309}}^1$

素因数の和:2502

約数の個数: 24

約数和(自身を含む): 39099060

約数和(自身を除く): 18202610

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 2309, 4525, 4618, 9050, 11545, 23090, 57725, 115450, 417929, 835858, 2089645, 4179290, 10448225, 20896450]

約数ペア:

[(1, 20896450), (2, 10448225), (5, 4179290), (10, 2089645), (25, 835858), (50, 417929), (181, 115450), (362, 57725), (905, 23090), (1810, 11545), (2309, 9050), (4525, 4618)]