20205465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 37171200

約数和(自身を除く): 16965735

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 967, 995, 1393, 2901, 2985, 4179, 4835, 6769, 6965, 14505, 20307, 20895, 33845, 101535, 192433, 577299, 962165, 1347031, 2886495, 4041093, 6735155, 20205465]

約数ペア:

[(1, 20205465), (3, 6735155), (5, 4041093), (7, 2886495), (15, 1347031), (21, 962165), (35, 577299), (105, 192433), (199, 101535), (597, 33845), (967, 20895), (995, 20307), (1393, 14505), (2901, 6965), (2985, 6769), (4179, 4835)]