19696960

素因数分解:

$2^6\times 5^1\times {\mathrm{61553}}^1$

素因数の和:61570

約数の個数: 28

約数和(自身を含む): 46904148

約数和(自身を除く): 27207188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61553, 123106, 246212, 307765, 492424, 615530, 984848, 1231060, 1969696, 2462120, 3939392, 4924240, 9848480, 19696960]

約数ペア:

[(1, 19696960), (2, 9848480), (4, 4924240), (5, 3939392), (8, 2462120), (10, 1969696), (16, 1231060), (20, 984848), (32, 615530), (40, 492424), (64, 307765), (80, 246212), (160, 123106), (320, 61553)]