20199335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 26352480

約数和(自身を除く): 6153145

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2851, 7085, 14255, 37063, 185315, 310759, 1553795, 4039867, 20199335]

約数ペア:

[(1, 20199335), (5, 4039867), (13, 1553795), (65, 310759), (109, 185315), (545, 37063), (1417, 14255), (2851, 7085)]