20157087

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5003}}^1$

素因数の和:5102

約数の個数: 16

約数和(自身を含む): 28823040

約数和(自身を除く): 8665953

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5003, 15009, 85051, 255153, 395237, 1185711, 6719029, 20157087]

約数ペア:

[(1, 20157087), (3, 6719029), (17, 1185711), (51, 395237), (79, 255153), (237, 85051), (1343, 15009), (4029, 5003)]