20855528085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{36871}}^1\times {\mathrm{5387}}^1$

素因数の和:42273

約数の個数: 32

約数和(自身を含む): 38143936512

約数和(自身を除く): 17288408427

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 5387, 16161, 26935, 36871, 37709, 80805, 110613, 113127, 184355, 188545, 258097, 553065, 565635, 774291, 1290485, 3871455, 198624077, 595872231, 993120385, 1390368539, 2979361155, 4171105617, 6951842695, 20855528085]

約数ペア:

[(1, 20855528085), (3, 6951842695), (5, 4171105617), (7, 2979361155), (15, 1390368539), (21, 993120385), (35, 595872231), (105, 198624077), (5387, 3871455), (16161, 1290485), (26935, 774291), (36871, 565635), (37709, 553065), (80805, 258097), (110613, 188545), (113127, 184355)]