20925057

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7586943

約数列:

[1, 3, 89, 109, 267, 327, 719, 2157, 9701, 29103, 63991, 78371, 191973, 235113, 6975019, 20925057]

約数ペア:

[(1, 20925057), (3, 6975019), (89, 235113), (109, 191973), (267, 78371), (327, 63991), (719, 29103), (2157, 9701)]