20840624

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2549}}^1$

素因数の和:2637

約数の個数: 40

約数和(自身を含む): 46797600

約数和(自身を除く): 25956976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2549, 4088, 5098, 8176, 10196, 17843, 20392, 35686, 40784, 71372, 142744, 186077, 285488, 372154, 744308, 1302539, 1488616, 2605078, 2977232, 5210156, 10420312, 20840624]

約数ペア:

[(1, 20840624), (2, 10420312), (4, 5210156), (7, 2977232), (8, 2605078), (14, 1488616), (16, 1302539), (28, 744308), (56, 372154), (73, 285488), (112, 186077), (146, 142744), (292, 71372), (511, 40784), (584, 35686), (1022, 20392), (1168, 17843), (2044, 10196), (2549, 8176), (4088, 5098)]