20179540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8929}}^1$

素因数の和:9051

約数の個数: 24

約数和(自身を含む): 42756840

約数和(自身を除く): 22577300

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8929, 17858, 35716, 44645, 89290, 178580, 1008977, 2017954, 4035908, 5044885, 10089770, 20179540]

約数ペア:

[(1, 20179540), (2, 10089770), (4, 5044885), (5, 4035908), (10, 2017954), (20, 1008977), (113, 178580), (226, 89290), (452, 44645), (565, 35716), (1130, 17858), (2260, 8929)]