20278018

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{1117}}^1$

素因数の和:1461

約数の個数: 16

約数和(自身を含む): 31594680

約数和(自身を除く): 11316662

約数列:

[1, 2, 29, 58, 313, 626, 1117, 2234, 9077, 18154, 32393, 64786, 349621, 699242, 10139009, 20278018]

約数ペア:

[(1, 20278018), (2, 10139009), (29, 699242), (58, 349621), (313, 64786), (626, 32393), (1117, 18154), (2234, 9077)]