20090018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10883}}^1$

素因数の和:10969

約数の個数: 16

約数和(自身を含む): 32913216

約数和(自身を除く): 12823198

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10883, 21766, 141479, 282958, 772693, 1545386, 10045009, 20090018]

約数ペア:

[(1, 20090018), (2, 10045009), (13, 1545386), (26, 772693), (71, 282958), (142, 141479), (923, 21766), (1846, 10883)]