20928102

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3779}}^1$

素因数の和:3868

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 24794778

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3779, 5538, 7558, 11337, 22674, 49127, 98254, 147381, 268309, 294762, 536618, 804927, 1609854, 3488017, 6976034, 10464051, 20928102]

約数ペア:

[(1, 20928102), (2, 10464051), (3, 6976034), (6, 3488017), (13, 1609854), (26, 804927), (39, 536618), (71, 294762), (78, 268309), (142, 147381), (213, 98254), (426, 49127), (923, 22674), (1846, 11337), (2769, 7558), (3779, 5538)]