20542835

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 25182144

約数和(自身を除く): 4639309

約数列:

[1, 5, 103, 113, 353, 515, 565, 1765, 11639, 36359, 39889, 58195, 181795, 199445, 4108567, 20542835]

約数ペア:

[(1, 20542835), (5, 4108567), (103, 199445), (113, 181795), (353, 58195), (515, 39889), (565, 36359), (1765, 11639)]