20571519

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{769}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 28323680

約数和(自身を除く): 7752161

約数列:

[1, 3, 37, 111, 241, 723, 769, 2307, 8917, 26751, 28453, 85359, 185329, 555987, 6857173, 20571519]

約数ペア:

[(1, 20571519), (3, 6857173), (37, 555987), (111, 185329), (241, 85359), (723, 28453), (769, 26751), (2307, 8917)]