20780682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1013}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 44972928

約数和(自身を除く): 24192246

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1013, 1578, 2026, 3039, 3419, 6078, 6838, 10257, 13169, 20514, 26338, 39507, 79014, 266419, 532838, 799257, 1598514, 3463447, 6926894, 10390341, 20780682]

約数ペア:

[(1, 20780682), (2, 10390341), (3, 6926894), (6, 3463447), (13, 1598514), (26, 799257), (39, 532838), (78, 266419), (263, 79014), (526, 39507), (789, 26338), (1013, 20514), (1578, 13169), (2026, 10257), (3039, 6838), (3419, 6078)]