20780643

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14401}}^1$

素因数の和:14454

約数の個数: 16

約数和(自身を含む): 30647456

約数和(自身を除く): 9866813

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14401, 43203, 187213, 532837, 561639, 1598511, 6926881, 20780643]

約数ペア:

[(1, 20780643), (3, 6926881), (13, 1598511), (37, 561639), (39, 532837), (111, 187213), (481, 43203), (1443, 14401)]