20683905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1871}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 15977343

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 165, 201, 335, 737, 1005, 1871, 2211, 3685, 5613, 9355, 11055, 20581, 28065, 61743, 102905, 125357, 308715, 376071, 626785, 1378927, 1880355, 4136781, 6894635, 20683905]

約数ペア:

[(1, 20683905), (3, 6894635), (5, 4136781), (11, 1880355), (15, 1378927), (33, 626785), (55, 376071), (67, 308715), (165, 125357), (201, 102905), (335, 61743), (737, 28065), (1005, 20581), (1871, 11055), (2211, 9355), (3685, 5613)]