20883651

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4090

約数の個数: 16

約数和(自身を含む): 29213184

約数和(自身を除く): 8329533

約数列:

[1, 3, 37, 47, 111, 141, 1739, 4003, 5217, 12009, 148111, 188141, 444333, 564423, 6961217, 20883651]

約数ペア:

[(1, 20883651), (3, 6961217), (37, 564423), (47, 444333), (111, 188141), (141, 148111), (1739, 12009), (4003, 5217)]