20112140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24527}}^1$

素因数の和:24577

約数の個数: 24

約数和(自身を含む): 43267392

約数和(自身を除く): 23155252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24527, 49054, 98108, 122635, 245270, 490540, 1005607, 2011214, 4022428, 5028035, 10056070, 20112140]

約数ペア:

[(1, 20112140), (2, 10056070), (4, 5028035), (5, 4022428), (10, 2011214), (20, 1005607), (41, 490540), (82, 245270), (164, 122635), (205, 98108), (410, 49054), (820, 24527)]