20278588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{14867}}^1$

素因数の和:14913

約数の個数: 24

約数和(自身を含む): 39965184

約数和(自身を除く): 19686596

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 14867, 29734, 59468, 163537, 327074, 460877, 654148, 921754, 1843508, 5069647, 10139294, 20278588]

約数ペア:

[(1, 20278588), (2, 10139294), (4, 5069647), (11, 1843508), (22, 921754), (31, 654148), (44, 460877), (62, 327074), (124, 163537), (341, 59468), (682, 29734), (1364, 14867)]