20863450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7873}}^1$

素因数の和:7938

約数の個数: 24

約数和(自身を含む): 39543228

約数和(自身を除く): 18679778

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7873, 15746, 39365, 78730, 196825, 393650, 417269, 834538, 2086345, 4172690, 10431725, 20863450]

約数ペア:

[(1, 20863450), (2, 10431725), (5, 4172690), (10, 2086345), (25, 834538), (50, 417269), (53, 393650), (106, 196825), (265, 78730), (530, 39365), (1325, 15746), (2650, 7873)]