2100061820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2561051}}^1$

素因数の和:2561101

約数の個数: 24

約数和(自身を含む): 4517695728

約数和(自身を除く): 2417633908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2561051, 5122102, 10244204, 12805255, 25610510, 51221020, 105003091, 210006182, 420012364, 525015455, 1050030910, 2100061820]

約数ペア:

[(1, 2100061820), (2, 1050030910), (4, 525015455), (5, 420012364), (10, 210006182), (20, 105003091), (41, 51221020), (82, 25610510), (164, 12805255), (205, 10244204), (410, 5122102), (820, 2561051)]