20215688

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35591}}^1$

素因数の和:35668

約数の個数: 16

約数和(自身を含む): 38439360

約数和(自身を除く): 18223672

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35591, 71182, 142364, 284728, 2526961, 5053922, 10107844, 20215688]

約数ペア:

[(1, 20215688), (2, 10107844), (4, 5053922), (8, 2526961), (71, 284728), (142, 142364), (284, 71182), (568, 35591)]