20681022

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 42958080

約数和(自身を除く): 22277058

約数列:

[1, 2, 3, 6, 43, 71, 86, 129, 142, 213, 258, 426, 1129, 2258, 3053, 3387, 6106, 6774, 9159, 18318, 48547, 80159, 97094, 145641, 160318, 240477, 291282, 480954, 3446837, 6893674, 10340511, 20681022]

約数ペア:

[(1, 20681022), (2, 10340511), (3, 6893674), (6, 3446837), (43, 480954), (71, 291282), (86, 240477), (129, 160318), (142, 145641), (213, 97094), (258, 80159), (426, 48547), (1129, 18318), (2258, 9159), (3053, 6774), (3387, 6106)]