20521872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20359}}^1$

素因数の和:20380

約数の個数: 60

約数和(自身を含む): 65640640

約数和(自身を除く): 45118768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20359, 40718, 61077, 81436, 122154, 142513, 162872, 183231, 244308, 285026, 325744, 366462, 427539, 488616, 570052, 732924, 855078, 977232, 1140104, 1282617, 1465848, 1710156, 2280208, 2565234, 2931696, 3420312, 5130468, 6840624, 10260936, 20521872]

約数ペア:

[(1, 20521872), (2, 10260936), (3, 6840624), (4, 5130468), (6, 3420312), (7, 2931696), (8, 2565234), (9, 2280208), (12, 1710156), (14, 1465848), (16, 1282617), (18, 1140104), (21, 977232), (24, 855078), (28, 732924), (36, 570052), (42, 488616), (48, 427539), (56, 366462), (63, 325744), (72, 285026), (84, 244308), (112, 183231), (126, 162872), (144, 142513), (168, 122154), (252, 81436), (336, 61077), (504, 40718), (1008, 20359)]