20161102095

素因数分解:

$3^4\times 5^1\times {\mathrm{49780499}}^1$

素因数の和:49780516

約数の個数: 20

約数和(自身を含む): 36140643000

約数和(自身を除く): 15979540905

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49780499, 149341497, 248902495, 448024491, 746707485, 1344073473, 2240122455, 4032220419, 6720367365, 20161102095]

約数ペア:

[(1, 20161102095), (3, 6720367365), (5, 4032220419), (9, 2240122455), (15, 1344073473), (27, 746707485), (45, 448024491), (81, 248902495), (135, 149341497), (405, 49780499)]