20589858

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16111}}^1$

素因数の和:16190

約数の個数: 24

約数和(自身を含む): 45242496

約数和(自身を除く): 24652638

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16111, 32222, 48333, 96666, 144999, 289998, 1143881, 2287762, 3431643, 6863286, 10294929, 20589858]

約数ペア:

[(1, 20589858), (2, 10294929), (3, 6863286), (6, 3431643), (9, 2287762), (18, 1143881), (71, 289998), (142, 144999), (213, 96666), (426, 48333), (639, 32222), (1278, 16111)]