20745345

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37379}}^1$

素因数の和:37424

約数の個数: 16

約数和(自身を含む): 34090560

約数和(自身を除く): 13345215

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37379, 112137, 186895, 560685, 1383023, 4149069, 6915115, 20745345]

約数ペア:

[(1, 20745345), (3, 6915115), (5, 4149069), (15, 1383023), (37, 560685), (111, 186895), (185, 112137), (555, 37379)]