20569815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21767}}^1$

素因数の和:21788

約数の個数: 32

約数和(自身を含む): 41794560

約数和(自身を除く): 21224745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21767, 65301, 108835, 152369, 195903, 326505, 457107, 587709, 761845, 979515, 1371321, 2285535, 2938545, 4113963, 6856605, 20569815]

約数ペア:

[(1, 20569815), (3, 6856605), (5, 4113963), (7, 2938545), (9, 2285535), (15, 1371321), (21, 979515), (27, 761845), (35, 587709), (45, 457107), (63, 326505), (105, 195903), (135, 152369), (189, 108835), (315, 65301), (945, 21767)]