20115993

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 27877376

約数和(自身を除く): 7761383

約数列:

[1, 3, 31, 93, 163, 489, 1327, 3981, 5053, 15159, 41137, 123411, 216301, 648903, 6705331, 20115993]

約数ペア:

[(1, 20115993), (3, 6705331), (31, 648903), (93, 216301), (163, 123411), (489, 41137), (1327, 15159), (3981, 5053)]