20502339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47791}}^1$

素因数の和:47818

約数の個数: 16

約数和(自身を含む): 32116224

約数和(自身を除く): 11613885

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47791, 143373, 525701, 621283, 1577103, 1863849, 6834113, 20502339]

約数ペア:

[(1, 20502339), (3, 6834113), (11, 1863849), (13, 1577103), (33, 621283), (39, 525701), (143, 143373), (429, 47791)]