20870343

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6151}}^1$

素因数の和:6199

約数の個数: 24

約数和(自身を含む): 33589920

約数和(自身を除く): 12719577

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6151, 18453, 55359, 79963, 178379, 239889, 535137, 719667, 1605411, 2318927, 6956781, 20870343]

約数ペア:

[(1, 20870343), (3, 6956781), (9, 2318927), (13, 1605411), (29, 719667), (39, 535137), (87, 239889), (117, 178379), (261, 79963), (377, 55359), (1131, 18453), (3393, 6151)]