20163405987

素因数分解:

$3^2\times {\mathrm{449}}^1\times {\mathrm{4989707}}^1$

素因数の和:4990162

約数の個数: 12

約数和(自身を含む): 29189791800

約数和(自身を除く): 9026385813

約数列:

[1, 3, 9, 449, 1347, 4041, 4989707, 14969121, 44907363, 2240378443, 6721135329, 20163405987]

約数ペア:

[(1, 20163405987), (3, 6721135329), (9, 2240378443), (449, 44907363), (1347, 14969121), (4041, 4989707)]