20433860

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6857}}^1$

素因数の和:7015

約数の個数: 24

約数和(自身を含む): 43205400

約数和(自身を除く): 22771540

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6857, 13714, 27428, 34285, 68570, 137140, 1021693, 2043386, 4086772, 5108465, 10216930, 20433860]

約数ペア:

[(1, 20433860), (2, 10216930), (4, 5108465), (5, 4086772), (10, 2043386), (20, 1021693), (149, 137140), (298, 68570), (596, 34285), (745, 27428), (1490, 13714), (2980, 6857)]