20272215

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13381}}^1$

素因数の和:13490

約数の個数: 16

約数和(自身を含む): 32759136

約数和(自身を除く): 12486921

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 13381, 40143, 66905, 200715, 1351481, 4054443, 6757405, 20272215]

約数ペア:

[(1, 20272215), (3, 6757405), (5, 4054443), (15, 1351481), (101, 200715), (303, 66905), (505, 40143), (1515, 13381)]