20677005

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 37161600

約数和(自身を除く): 16484595

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 1579, 2619, 4365, 4737, 7895, 13095, 14211, 23685, 42633, 71055, 153163, 213165, 459489, 765815, 1378467, 2297445, 4135401, 6892335, 20677005]

約数ペア:

[(1, 20677005), (3, 6892335), (5, 4135401), (9, 2297445), (15, 1378467), (27, 765815), (45, 459489), (97, 213165), (135, 153163), (291, 71055), (485, 42633), (873, 23685), (1455, 14211), (1579, 13095), (2619, 7895), (4365, 4737)]