20533850

素因数分解:

$2^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{823}}^1$

素因数の和:1334

約数の個数: 24

約数和(自身を含む): 38316000

約数和(自身を除く): 17782150

約数列:

[1, 2, 5, 10, 25, 50, 499, 823, 998, 1646, 2495, 4115, 4990, 8230, 12475, 20575, 24950, 41150, 410677, 821354, 2053385, 4106770, 10266925, 20533850]

約数ペア:

[(1, 20533850), (2, 10266925), (5, 4106770), (10, 2053385), (25, 821354), (50, 410677), (499, 41150), (823, 24950), (998, 20575), (1646, 12475), (2495, 8230), (4115, 4990)]