20844213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5189}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 30226560

約数和(自身を除く): 9382347

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5189, 15567, 67457, 202371, 534467, 1603401, 6948071, 20844213]

約数ペア:

[(1, 20844213), (3, 6948071), (13, 1603401), (39, 534467), (103, 202371), (309, 67457), (1339, 15567), (4017, 5189)]