20817065

素因数分解:

$5^1\times {\mathrm{19}}^3\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 16

約数和(自身を含む): 26411520

約数和(自身を除く): 5594455

約数列:

[1, 5, 19, 95, 361, 607, 1805, 3035, 6859, 11533, 34295, 57665, 219127, 1095635, 4163413, 20817065]

約数ペア:

[(1, 20817065), (5, 4163413), (19, 1095635), (95, 219127), (361, 57665), (607, 34295), (1805, 11533), (3035, 6859)]