20710005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60029}}^1$

素因数の和:60060

約数の個数: 16

約数和(自身を含む): 34577280

約数和(自身を除く): 13867275

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 60029, 180087, 300145, 900435, 1380667, 4142001, 6903335, 20710005]

約数ペア:

[(1, 20710005), (3, 6903335), (5, 4142001), (15, 1380667), (23, 900435), (69, 300145), (115, 180087), (345, 60029)]