20572140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342869}}^1$

素因数の和:342881

約数の個数: 24

約数和(自身を含む): 57602160

約数和(自身を除く): 37030020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342869, 685738, 1028607, 1371476, 1714345, 2057214, 3428690, 4114428, 5143035, 6857380, 10286070, 20572140]

約数ペア:

[(1, 20572140), (2, 10286070), (3, 6857380), (4, 5143035), (5, 4114428), (6, 3428690), (10, 2057214), (12, 1714345), (15, 1371476), (20, 1028607), (30, 685738), (60, 342869)]