20452943

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 24820992

約数和(自身を除く): 4368049

約数列:

[1, 7, 47, 49, 83, 107, 329, 581, 749, 2303, 3901, 4067, 5029, 5243, 8881, 27307, 35203, 62167, 191149, 246421, 417407, 435169, 2921849, 20452943]

約数ペア:

[(1, 20452943), (7, 2921849), (47, 435169), (49, 417407), (83, 246421), (107, 191149), (329, 62167), (581, 35203), (749, 27307), (2303, 8881), (3901, 5243), (4067, 5029)]