20512142644

素因数分解:

$2^2\times 7^2\times {\mathrm{829}}^1\times {\mathrm{126241}}^1$

素因数の和:127088

約数の個数: 36

約数和(自身を含む): 41807563140

約数和(自身を除く): 21295420496

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 829, 1658, 3316, 5803, 11606, 23212, 40621, 81242, 126241, 162484, 252482, 504964, 883687, 1767374, 3534748, 6185809, 12371618, 24743236, 104653789, 209307578, 418615156, 732576523, 1465153046, 2930306092, 5128035661, 10256071322, 20512142644]

約数ペア:

[(1, 20512142644), (2, 10256071322), (4, 5128035661), (7, 2930306092), (14, 1465153046), (28, 732576523), (49, 418615156), (98, 209307578), (196, 104653789), (829, 24743236), (1658, 12371618), (3316, 6185809), (5803, 3534748), (11606, 1767374), (23212, 883687), (40621, 504964), (81242, 252482), (126241, 162484)]