20702977232

素因数分解:

$2^4\times 7^1\times {\mathrm{2551}}^1\times {\mathrm{72461}}^1$

素因数の和:75027

約数の個数: 40

約数和(自身を含む): 45860909952

約数和(自身を除く): 25157932720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2551, 5102, 10204, 17857, 20408, 35714, 40816, 71428, 72461, 142856, 144922, 285712, 289844, 507227, 579688, 1014454, 1159376, 2028908, 4057816, 8115632, 184848011, 369696022, 739392044, 1293936077, 1478784088, 2587872154, 2957568176, 5175744308, 10351488616, 20702977232]

約数ペア:

[(1, 20702977232), (2, 10351488616), (4, 5175744308), (7, 2957568176), (8, 2587872154), (14, 1478784088), (16, 1293936077), (28, 739392044), (56, 369696022), (112, 184848011), (2551, 8115632), (5102, 4057816), (10204, 2028908), (17857, 1159376), (20408, 1014454), (35714, 579688), (40816, 507227), (71428, 289844), (72461, 285712), (142856, 144922)]