20311885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5059}}^1$

素因数の和:5148

約数の個数: 16

約数和(自身を含む): 26959680

約数和(自身を除く): 6647795

約数列:

[1, 5, 11, 55, 73, 365, 803, 4015, 5059, 25295, 55649, 278245, 369307, 1846535, 4062377, 20311885]

約数ペア:

[(1, 20311885), (5, 4062377), (11, 1846535), (55, 369307), (73, 278245), (365, 55649), (803, 25295), (4015, 5059)]