2164201820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9837281}}^1$

素因数の和:9837301

約数の個数: 24

約数和(自身を含む): 4957990128

約数和(自身を除く): 2793788308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9837281, 19674562, 39349124, 49186405, 98372810, 108210091, 196745620, 216420182, 432840364, 541050455, 1082100910, 2164201820]

約数ペア:

[(1, 2164201820), (2, 1082100910), (4, 541050455), (5, 432840364), (10, 216420182), (11, 196745620), (20, 108210091), (22, 98372810), (44, 49186405), (55, 39349124), (110, 19674562), (220, 9837281)]