20458310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7079}}^1$

素因数の和:7120

約数の個数: 24

約数和(自身を含む): 39124080

約数和(自身を除く): 18665770

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 7079, 14158, 35395, 70790, 120343, 240686, 601715, 1203430, 2045831, 4091662, 10229155, 20458310]

約数ペア:

[(1, 20458310), (2, 10229155), (5, 4091662), (10, 2045831), (17, 1203430), (34, 601715), (85, 240686), (170, 120343), (289, 70790), (578, 35395), (1445, 14158), (2890, 7079)]