20407135

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14221}}^1$

素因数の和:14274

約数の個数: 16

約数和(自身を含む): 28671552

約数和(自身を除く): 8264417

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 14221, 71105, 99547, 497735, 583061, 2915305, 4081427, 20407135]

約数ペア:

[(1, 20407135), (5, 4081427), (7, 2915305), (35, 583061), (41, 497735), (205, 99547), (287, 71105), (1435, 14221)]