20511673

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13259}}^1$

素因数の和:13296

約数の個数: 16

約数和(自身を含む): 26732160

約数和(自身を除く): 6220487

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13259, 92813, 172367, 225403, 1206569, 1577821, 2930239, 20511673]

約数ペア:

[(1, 20511673), (7, 2930239), (13, 1577821), (17, 1206569), (91, 225403), (119, 172367), (221, 92813), (1547, 13259)]