2021770

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1117}}^1$

素因数の和:1305

約数の個数: 16

約数和(自身を含む): 3662568

約数和(自身を除く): 1640798

約数列:

[1, 2, 5, 10, 181, 362, 905, 1117, 1810, 2234, 5585, 11170, 202177, 404354, 1010885, 2021770]

約数ペア:

[(1, 2021770), (2, 1010885), (5, 404354), (10, 202177), (181, 11170), (362, 5585), (905, 2234), (1117, 1810)]