20127666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3109}}^1$

素因数の和:3210

約数の個数: 32

約数和(自身を含む): 43888320

約数和(自身を除く): 23760654

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 3109, 3237, 6218, 6474, 9327, 18654, 40417, 80834, 121251, 242502, 258047, 516094, 774141, 1548282, 3354611, 6709222, 10063833, 20127666]

約数ペア:

[(1, 20127666), (2, 10063833), (3, 6709222), (6, 3354611), (13, 1548282), (26, 774141), (39, 516094), (78, 258047), (83, 242502), (166, 121251), (249, 80834), (498, 40417), (1079, 18654), (2158, 9327), (3109, 6474), (3237, 6218)]