20505233

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 24554880

約数和(自身を除く): 4049647

約数列:

[1, 7, 29, 83, 203, 581, 1217, 2407, 8519, 16849, 35293, 101011, 247051, 707077, 2929319, 20505233]

約数ペア:

[(1, 20505233), (7, 2929319), (29, 707077), (83, 247051), (203, 101011), (581, 35293), (1217, 16849), (2407, 8519)]