20290450

素因数分解:

$2^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1543}}^1$

素因数の和:1818

約数の個数: 24

約数和(自身を含む): 37908288

約数和(自身を除く): 17617838

約数列:

[1, 2, 5, 10, 25, 50, 263, 526, 1315, 1543, 2630, 3086, 6575, 7715, 13150, 15430, 38575, 77150, 405809, 811618, 2029045, 4058090, 10145225, 20290450]

約数ペア:

[(1, 20290450), (2, 10145225), (5, 4058090), (10, 2029045), (25, 811618), (50, 405809), (263, 77150), (526, 38575), (1315, 15430), (1543, 13150), (2630, 7715), (3086, 6575)]