20131820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24551}}^1$

素因数の和:24601

約数の個数: 24

約数和(自身を含む): 43309728

約数和(自身を除く): 23177908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24551, 49102, 98204, 122755, 245510, 491020, 1006591, 2013182, 4026364, 5032955, 10065910, 20131820]

約数ペア:

[(1, 20131820), (2, 10065910), (4, 5032955), (5, 4026364), (10, 2013182), (20, 1006591), (41, 491020), (82, 245510), (164, 122755), (205, 98204), (410, 49102), (820, 24551)]