20477608

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82571}}^1$

素因数の和:82608

約数の個数: 16

約数和(自身を含む): 39634560

約数和(自身を除く): 19156952

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82571, 165142, 330284, 660568, 2559701, 5119402, 10238804, 20477608]

約数ペア:

[(1, 20477608), (2, 10238804), (4, 5119402), (8, 2559701), (31, 660568), (62, 330284), (124, 165142), (248, 82571)]