20256278

素因数分解:

$2^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2971}}^1$

素因数の和:3467

約数の個数: 16

約数和(自身を含む): 34808064

約数和(自身を除く): 14551786

約数列:

[1, 2, 7, 14, 487, 974, 2971, 3409, 5942, 6818, 20797, 41594, 1446877, 2893754, 10128139, 20256278]

約数ペア:

[(1, 20256278), (2, 10128139), (7, 2893754), (14, 1446877), (487, 41594), (974, 20797), (2971, 6818), (3409, 5942)]