20117435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2437}}^1$

素因数の和:2582

約数の個数: 16

約数和(自身を含む): 26213376

約数和(自身を除く): 6095941

約数列:

[1, 5, 13, 65, 127, 635, 1651, 2437, 8255, 12185, 31681, 158405, 309499, 1547495, 4023487, 20117435]

約数ペア:

[(1, 20117435), (5, 4023487), (13, 1547495), (65, 309499), (127, 158405), (635, 31681), (1651, 12185), (2437, 8255)]