20812456

素因数分解:

$2^3\times 7^2\times {\mathrm{53093}}^1$

素因数の和:53113

約数の個数: 24

約数和(自身を含む): 45395370

約数和(自身を除く): 24582914

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53093, 106186, 212372, 371651, 424744, 743302, 1486604, 2601557, 2973208, 5203114, 10406228, 20812456]

約数ペア:

[(1, 20812456), (2, 10406228), (4, 5203114), (7, 2973208), (8, 2601557), (14, 1486604), (28, 743302), (49, 424744), (56, 371651), (98, 212372), (196, 106186), (392, 53093)]