20106490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28319}}^1$

素因数の和:28397

約数の個数: 16

約数和(自身を含む): 36702720

約数和(自身を除く): 16596230

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28319, 56638, 141595, 283190, 2010649, 4021298, 10053245, 20106490]

約数ペア:

[(1, 20106490), (2, 10053245), (5, 4021298), (10, 2010649), (71, 283190), (142, 141595), (355, 56638), (710, 28319)]