20930637

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1783}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 35166208

約数和(自身を除く): 14235571

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 1783, 3913, 5349, 11739, 12481, 23179, 37443, 69537, 76669, 162253, 230007, 486759, 536683, 996697, 1610049, 2990091, 6976879, 20930637]

約数ペア:

[(1, 20930637), (3, 6976879), (7, 2990091), (13, 1610049), (21, 996697), (39, 536683), (43, 486759), (91, 230007), (129, 162253), (273, 76669), (301, 69537), (559, 37443), (903, 23179), (1677, 12481), (1783, 11739), (3913, 5349)]