1982020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 4203864

約数和(自身を除く): 2221844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 877, 1130, 1754, 2260, 3508, 4385, 8770, 17540, 99101, 198202, 396404, 495505, 991010, 1982020]

約数ペア:

[(1, 1982020), (2, 991010), (4, 495505), (5, 396404), (10, 198202), (20, 99101), (113, 17540), (226, 8770), (452, 4385), (565, 3508), (877, 2260), (1130, 1754)]