20430874

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 32254560

約数和(自身を除く): 11823686

約数列:

[1, 2, 41, 59, 82, 103, 118, 206, 1681, 2419, 3362, 4223, 4838, 6077, 8446, 12154, 99179, 173143, 198358, 249157, 346286, 498314, 10215437, 20430874]

約数ペア:

[(1, 20430874), (2, 10215437), (41, 498314), (59, 346286), (82, 249157), (103, 198358), (118, 173143), (206, 99179), (1681, 12154), (2419, 8446), (3362, 6077), (4223, 4838)]