20106507

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 7771893

約数列:

[1, 3, 31, 93, 149, 447, 1451, 4353, 4619, 13857, 44981, 134943, 216199, 648597, 6702169, 20106507]

約数ペア:

[(1, 20106507), (3, 6702169), (31, 648597), (93, 216199), (149, 134943), (447, 44981), (1451, 13857), (4353, 4619)]