20512400266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7602817}}^1$

素因数の和:7602909

約数の個数: 16

約数和(自身を含む): 32844173760

約数和(自身を除く): 12331773494

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7602817, 15205634, 144453523, 288907046, 539800007, 1079600014, 10256200133, 20512400266]

約数ペア:

[(1, 20512400266), (2, 10256200133), (19, 1079600014), (38, 539800007), (71, 288907046), (142, 144453523), (1349, 15205634), (2698, 7602817)]