20854522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3121}}^1$

素因数の和:3393

約数の個数: 16

約数和(自身を含む): 33829992

約数和(自身を除く): 12975470

約数列:

[1, 2, 13, 26, 257, 514, 3121, 3341, 6242, 6682, 40573, 81146, 802097, 1604194, 10427261, 20854522]

約数ペア:

[(1, 20854522), (2, 10427261), (13, 1604194), (26, 802097), (257, 81146), (514, 40573), (3121, 6682), (3341, 6242)]