20826100

素因数分解:

$2^2\times 5^2\times {\mathrm{208261}}^1$

素因数の和:208275

約数の個数: 18

約数和(自身を含む): 45192854

約数和(自身を除く): 24366754

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 208261, 416522, 833044, 1041305, 2082610, 4165220, 5206525, 10413050, 20826100]

約数ペア:

[(1, 20826100), (2, 10413050), (4, 5206525), (5, 4165220), (10, 2082610), (20, 1041305), (25, 833044), (50, 416522), (100, 208261)]