20125004571

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{451831}}^1$

素因数の和:451952

約数の個数: 36

約数和(自身を含む): 34150366224

約数和(自身を除く): 14025361653

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 303, 441, 707, 909, 2121, 4949, 6363, 14847, 44541, 451831, 1355493, 3162817, 4066479, 9488451, 22139719, 28465353, 45634931, 66419157, 136904793, 199257471, 319444517, 410714379, 958333551, 2236111619, 2875000653, 6708334857, 20125004571]

約数ペア:

[(1, 20125004571), (3, 6708334857), (7, 2875000653), (9, 2236111619), (21, 958333551), (49, 410714379), (63, 319444517), (101, 199257471), (147, 136904793), (303, 66419157), (441, 45634931), (707, 28465353), (909, 22139719), (2121, 9488451), (4949, 4066479), (6363, 3162817), (14847, 1355493), (44541, 451831)]