20964552

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17827}}^1$

素因数の和:17850

約数の個数: 48

約数和(自身を含む): 60971760

約数和(自身を除く): 40007208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17827, 35654, 53481, 71308, 106962, 124789, 142616, 213924, 249578, 374367, 427848, 499156, 748734, 873523, 998312, 1497468, 1747046, 2620569, 2994936, 3494092, 5241138, 6988184, 10482276, 20964552]

約数ペア:

[(1, 20964552), (2, 10482276), (3, 6988184), (4, 5241138), (6, 3494092), (7, 2994936), (8, 2620569), (12, 1747046), (14, 1497468), (21, 998312), (24, 873523), (28, 748734), (42, 499156), (49, 427848), (56, 374367), (84, 249578), (98, 213924), (147, 142616), (168, 124789), (196, 106962), (294, 71308), (392, 53481), (588, 35654), (1176, 17827)]