20450050

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7717}}^1$

素因数の和:7782

約数の個数: 24

約数和(自身を含む): 38759796

約数和(自身を除く): 18309746

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7717, 15434, 38585, 77170, 192925, 385850, 409001, 818002, 2045005, 4090010, 10225025, 20450050]

約数ペア:

[(1, 20450050), (2, 10225025), (5, 4090010), (10, 2045005), (25, 818002), (50, 409001), (53, 385850), (106, 192925), (265, 77170), (530, 38585), (1325, 15434), (2650, 7717)]