20901746

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1249

約数の個数: 16

約数和(自身を含む): 32192640

約数和(自身を除く): 11290894

約数列:

[1, 2, 47, 94, 229, 458, 971, 1942, 10763, 21526, 45637, 91274, 222359, 444718, 10450873, 20901746]

約数ペア:

[(1, 20901746), (2, 10450873), (47, 444718), (94, 222359), (229, 91274), (458, 45637), (971, 21526), (1942, 10763)]