2090020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3371}}^1$

素因数の和:3411

約数の個数: 24

約数和(自身を含む): 4531968

約数和(自身を除く): 2441948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3371, 6742, 13484, 16855, 33710, 67420, 104501, 209002, 418004, 522505, 1045010, 2090020]

約数ペア:

[(1, 2090020), (2, 1045010), (4, 522505), (5, 418004), (10, 209002), (20, 104501), (31, 67420), (62, 33710), (124, 16855), (155, 13484), (310, 6742), (620, 3371)]