20791618

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{577}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 32044320

約数和(自身を除く): 11252702

約数列:

[1, 2, 43, 86, 419, 577, 838, 1154, 18017, 24811, 36034, 49622, 241763, 483526, 10395809, 20791618]

約数ペア:

[(1, 20791618), (2, 10395809), (43, 483526), (86, 241763), (419, 49622), (577, 36034), (838, 24811), (1154, 18017)]