15680816

素因数分解:

$2^4\times {\mathrm{983}}^1\times {\mathrm{997}}^1$

素因数の和:1988

約数の個数: 20

約数和(自身を含む): 30442992

約数和(自身を除く): 14762176

約数列:

[1, 2, 4, 8, 16, 983, 997, 1966, 1994, 3932, 3988, 7864, 7976, 15728, 15952, 980051, 1960102, 3920204, 7840408, 15680816]

約数ペア:

[(1, 15680816), (2, 7840408), (4, 3920204), (8, 1960102), (16, 980051), (983, 15952), (997, 15728), (1966, 7976), (1994, 7864), (3932, 3988)]