20507145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59441}}^1$

素因数の和:59472

約数の個数: 16

約数和(自身を含む): 34238592

約数和(自身を除く): 13731447

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59441, 178323, 297205, 891615, 1367143, 4101429, 6835715, 20507145]

約数ペア:

[(1, 20507145), (3, 6835715), (5, 4101429), (15, 1367143), (23, 891615), (69, 297205), (115, 178323), (345, 59441)]