20189020915

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2841523}}^1$

素因数の和:2841571

約数の個数: 24

約数和(自身を含む): 29154036240

約数和(自身を除く): 8965015325

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 2841523, 14207615, 19890661, 82404167, 99453305, 139234627, 412020835, 576829169, 696173135, 2884145845, 4037804183, 20189020915]

約数ペア:

[(1, 20189020915), (5, 4037804183), (7, 2884145845), (29, 696173135), (35, 576829169), (49, 412020835), (145, 139234627), (203, 99453305), (245, 82404167), (1015, 19890661), (1421, 14207615), (7105, 2841523)]