2091820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 4501728

約数和(自身を除く): 2409908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2551, 5102, 10204, 12755, 25510, 51020, 104591, 209182, 418364, 522955, 1045910, 2091820]

約数ペア:

[(1, 2091820), (2, 1045910), (4, 522955), (5, 418364), (10, 209182), (20, 104591), (41, 51020), (82, 25510), (164, 12755), (205, 10204), (410, 5102), (820, 2551)]