20742258

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{8887}}^1$

素因数の和:9281

約数の個数: 16

約数和(自身を含む): 41595840

約数和(自身を除く): 20853582

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 8887, 17774, 26661, 53322, 3457043, 6914086, 10371129, 20742258]

約数ペア:

[(1, 20742258), (2, 10371129), (3, 6914086), (6, 3457043), (389, 53322), (778, 26661), (1167, 17774), (2334, 8887)]