20165517

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13103}}^1$

素因数の和:13134

約数の個数: 20

約数和(自身を含む): 31711680

約数和(自身を除く): 11546163

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13103, 39309, 117927, 248957, 353781, 746871, 1061343, 2240613, 6721839, 20165517]

約数ペア:

[(1, 20165517), (3, 6721839), (9, 2240613), (19, 1061343), (27, 746871), (57, 353781), (81, 248957), (171, 117927), (513, 39309), (1539, 13103)]