20639070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{76441}}^1$

素因数の和:76457

約数の個数: 32

約数和(自身を含む): 55038240

約数和(自身を除く): 34399170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 76441, 152882, 229323, 382205, 458646, 687969, 764410, 1146615, 1375938, 2063907, 2293230, 3439845, 4127814, 6879690, 10319535, 20639070]

約数ペア:

[(1, 20639070), (2, 10319535), (3, 6879690), (5, 4127814), (6, 3439845), (9, 2293230), (10, 2063907), (15, 1375938), (18, 1146615), (27, 764410), (30, 687969), (45, 458646), (54, 382205), (90, 229323), (135, 152882), (270, 76441)]