20926432845

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{42967}}^1$

素因数の和:43194

約数の個数: 48

約数和(自身を含む): 37000604160

約数和(自身を除く): 16074171315

約数列:

[1, 3, 5, 9, 15, 45, 79, 137, 237, 395, 411, 685, 711, 1185, 1233, 2055, 3555, 6165, 10823, 32469, 42967, 54115, 97407, 128901, 162345, 214835, 386703, 487035, 644505, 1933515, 3394393, 5886479, 10183179, 16971965, 17659437, 29432395, 30549537, 50915895, 52978311, 88297185, 152747685, 264891555, 465031841, 1395095523, 2325159205, 4185286569, 6975477615, 20926432845]

約数ペア:

[(1, 20926432845), (3, 6975477615), (5, 4185286569), (9, 2325159205), (15, 1395095523), (45, 465031841), (79, 264891555), (137, 152747685), (237, 88297185), (395, 52978311), (411, 50915895), (685, 30549537), (711, 29432395), (1185, 17659437), (1233, 16971965), (2055, 10183179), (3555, 5886479), (6165, 3394393), (10823, 1933515), (32469, 644505), (42967, 487035), (54115, 386703), (97407, 214835), (128901, 162345)]