20461150

素因数分解:

$2^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1787}}^1$

素因数の和:2028

約数の個数: 24

約数和(自身を含む): 38245320

約数和(自身を除く): 17784170

約数列:

[1, 2, 5, 10, 25, 50, 229, 458, 1145, 1787, 2290, 3574, 5725, 8935, 11450, 17870, 44675, 89350, 409223, 818446, 2046115, 4092230, 10230575, 20461150]

約数ペア:

[(1, 20461150), (2, 10230575), (5, 4092230), (10, 2046115), (25, 818446), (50, 409223), (229, 89350), (458, 44675), (1145, 17870), (1787, 11450), (2290, 8935), (3574, 5725)]