1999842020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{826381}}^1$

素因数の和:826412

約数の個数: 36

約数和(自身を含む): 4616169852

約数和(自身を除く): 2616327832

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 826381, 1652762, 3305524, 4131905, 8263810, 9090191, 16527620, 18180382, 36360764, 45450955, 90901910, 99992101, 181803820, 199984202, 399968404, 499960505, 999921010, 1999842020]

約数ペア:

[(1, 1999842020), (2, 999921010), (4, 499960505), (5, 399968404), (10, 199984202), (11, 181803820), (20, 99992101), (22, 90901910), (44, 45450955), (55, 36360764), (110, 18180382), (121, 16527620), (220, 9090191), (242, 8263810), (484, 4131905), (605, 3305524), (1210, 1652762), (2420, 826381)]