20884278315

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19609651}}^1$

素因数の和:19609730

約数の個数: 16

約数和(自身を含む): 33885478656

約数和(自身を除く): 13001200341

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19609651, 58828953, 98048255, 294144765, 1392285221, 4176855663, 6961426105, 20884278315]

約数ペア:

[(1, 20884278315), (3, 6961426105), (5, 4176855663), (15, 1392285221), (71, 294144765), (213, 98048255), (355, 58828953), (1065, 19609651)]