20223255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{757}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 35146944

約数和(自身を除く): 14923689

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 757, 1781, 2055, 2271, 3785, 5343, 8905, 9841, 11355, 26715, 29523, 49205, 103709, 147615, 311127, 518545, 1348217, 1555635, 4044651, 6741085, 20223255]

約数ペア:

[(1, 20223255), (3, 6741085), (5, 4044651), (13, 1555635), (15, 1348217), (39, 518545), (65, 311127), (137, 147615), (195, 103709), (411, 49205), (685, 29523), (757, 26715), (1781, 11355), (2055, 9841), (2271, 8905), (3785, 5343)]