20654458

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7759}}^1$

素因数の和:7794

約数の個数: 16

約数和(自身を含む): 34081920

約数和(自身を除く): 13427462

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7759, 15518, 85349, 170698, 938839, 1877678, 10327229, 20654458]

約数ペア:

[(1, 20654458), (2, 10327229), (11, 1877678), (22, 938839), (121, 170698), (242, 85349), (1331, 15518), (2662, 7759)]