20108505

素因数分解:

$3^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1621}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 32232384

約数和(自身を除く): 12123879

約数列:

[1, 3, 5, 15, 827, 1621, 2481, 4135, 4863, 8105, 12405, 24315, 1340567, 4021701, 6702835, 20108505]

約数ペア:

[(1, 20108505), (3, 6702835), (5, 4021701), (15, 1340567), (827, 24315), (1621, 12405), (2481, 8105), (4135, 4863)]