20920256

素因数分解:

$2^6\times 7^3\times {\mathrm{953}}^1$

素因数の和:986

約数の個数: 56

約数和(自身を含む): 48463200

約数和(自身を除く): 27542944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 953, 1372, 1568, 1906, 2744, 3136, 3812, 5488, 6671, 7624, 10976, 13342, 15248, 21952, 26684, 30496, 46697, 53368, 60992, 93394, 106736, 186788, 213472, 326879, 373576, 426944, 653758, 747152, 1307516, 1494304, 2615032, 2988608, 5230064, 10460128, 20920256]

約数ペア:

[(1, 20920256), (2, 10460128), (4, 5230064), (7, 2988608), (8, 2615032), (14, 1494304), (16, 1307516), (28, 747152), (32, 653758), (49, 426944), (56, 373576), (64, 326879), (98, 213472), (112, 186788), (196, 106736), (224, 93394), (343, 60992), (392, 53368), (448, 46697), (686, 30496), (784, 26684), (953, 21952), (1372, 15248), (1568, 13342), (1906, 10976), (2744, 7624), (3136, 6671), (3812, 5488)]