20126365

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 28349568

約数和(自身を除く): 8223203

約数列:

[1, 5, 7, 35, 43, 215, 301, 311, 1505, 1555, 1849, 2177, 9245, 10885, 12943, 13373, 64715, 66865, 93611, 468055, 575039, 2875195, 4025273, 20126365]

約数ペア:

[(1, 20126365), (5, 4025273), (7, 2875195), (35, 575039), (43, 468055), (215, 93611), (301, 66865), (311, 64715), (1505, 13373), (1555, 12943), (1849, 10885), (2177, 9245)]