20218426

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1049}}^1$

素因数の和:1493

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 11533574

約数列:

[1, 2, 23, 46, 419, 838, 1049, 2098, 9637, 19274, 24127, 48254, 439531, 879062, 10109213, 20218426]

約数ペア:

[(1, 20218426), (2, 10109213), (23, 879062), (46, 439531), (419, 48254), (838, 24127), (1049, 19274), (2098, 9637)]