20005307

素因数分解:

$7^1\times {\mathrm{59}}^2\times {\mathrm{821}}^1$

素因数の和:946

約数の個数: 12

約数和(自身を含む): 23285616

約数和(自身を除く): 3280309

約数列:

[1, 7, 59, 413, 821, 3481, 5747, 24367, 48439, 339073, 2857901, 20005307]

約数ペア:

[(1, 20005307), (7, 2857901), (59, 339073), (413, 48439), (821, 24367), (3481, 5747)]