20017629

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 30351360

約数和(自身を除く): 10333731

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1279, 1739, 3837, 5217, 11511, 15651, 47323, 60113, 141969, 180339, 425907, 541017, 2224181, 6672543, 20017629]

約数ペア:

[(1, 20017629), (3, 6672543), (9, 2224181), (37, 541017), (47, 425907), (111, 180339), (141, 141969), (333, 60113), (423, 47323), (1279, 15651), (1739, 11511), (3837, 5217)]