20677629

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9749}}^1$

素因数の和:9860

約数の個数: 16

約数和(自身を含む): 31824000

約数和(自身を除く): 11146371

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9749, 29247, 68243, 204729, 984649, 2953947, 6892543, 20677629]

約数ペア:

[(1, 20677629), (3, 6892543), (7, 2953947), (21, 984649), (101, 204729), (303, 68243), (707, 29247), (2121, 9749)]