20479151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{839}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 5164369

約数列:

[1, 7, 11, 77, 317, 839, 2219, 3487, 5873, 9229, 24409, 64603, 265963, 1861741, 2925593, 20479151]

約数ペア:

[(1, 20479151), (7, 2925593), (11, 1861741), (77, 265963), (317, 64603), (839, 24409), (2219, 9229), (3487, 5873)]