29427820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13499}}^1$

素因数の和:13617

約数の個数: 24

約数和(自身を含む): 62370000

約数和(自身を除く): 32942180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13499, 26998, 53996, 67495, 134990, 269980, 1471391, 2942782, 5885564, 7356955, 14713910, 29427820]

約数ペア:

[(1, 29427820), (2, 14713910), (4, 7356955), (5, 5885564), (10, 2942782), (20, 1471391), (109, 269980), (218, 134990), (436, 67495), (545, 53996), (1090, 26998), (2180, 13499)]