20400578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54547}}^1$

素因数の和:54577

約数の個数: 16

約数和(自身を含む): 35347104

約数和(自身を除く): 14946526

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 54547, 109094, 600017, 927299, 1200034, 1854598, 10200289, 20400578]

約数ペア:

[(1, 20400578), (2, 10200289), (11, 1854598), (17, 1200034), (22, 927299), (34, 600017), (187, 109094), (374, 54547)]