20790787605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{198007501}}^1$

素因数の和:198007516

約数の個数: 16

約数和(自身を含む): 38017440384

約数和(自身を除く): 17226652779

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 198007501, 594022503, 990037505, 1386052507, 2970112515, 4158157521, 6930262535, 20790787605]

約数ペア:

[(1, 20790787605), (3, 6930262535), (5, 4158157521), (7, 2970112515), (15, 1386052507), (21, 990037505), (35, 594022503), (105, 198007501)]