2011122020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{889877}}^1$

素因数の和:889999

約数の個数: 24

約数和(自身を含む): 4260735864

約数和(自身を除く): 2249613844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 889877, 1779754, 3559508, 4449385, 8898770, 17797540, 100556101, 201112202, 402224404, 502780505, 1005561010, 2011122020]

約数ペア:

[(1, 2011122020), (2, 1005561010), (4, 502780505), (5, 402224404), (10, 201112202), (20, 100556101), (113, 17797540), (226, 8898770), (452, 4449385), (565, 3559508), (1130, 1779754), (2260, 889877)]