20654246

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2543}}^1$

素因数の和:2707

約数の個数: 16

約数和(自身を含む): 32237568

約数和(自身を除く): 11583322

約数列:

[1, 2, 31, 62, 131, 262, 2543, 4061, 5086, 8122, 78833, 157666, 333133, 666266, 10327123, 20654246]

約数ペア:

[(1, 20654246), (2, 10327123), (31, 666266), (62, 333133), (131, 157666), (262, 78833), (2543, 8122), (4061, 5086)]