20516974

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1657}}^1$

素因数の和:1851

約数の個数: 16

約数和(自身を含む): 31754016

約数和(自身を除く): 11237042

約数列:

[1, 2, 41, 82, 151, 302, 1657, 3314, 6191, 12382, 67937, 135874, 250207, 500414, 10258487, 20516974]

約数ペア:

[(1, 20516974), (2, 10258487), (41, 500414), (82, 250207), (151, 135874), (302, 67937), (1657, 12382), (3314, 6191)]