20642018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2393}}^1$

素因数の和:2641

約数の個数: 16

約数和(自身を含む): 32749920

約数和(自身を除く): 12107902

約数列:

[1, 2, 19, 38, 227, 454, 2393, 4313, 4786, 8626, 45467, 90934, 543211, 1086422, 10321009, 20642018]

約数ペア:

[(1, 20642018), (2, 10321009), (19, 1086422), (38, 543211), (227, 90934), (454, 45467), (2393, 8626), (4313, 4786)]