20649804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5717}}^1$

素因数の和:5774

約数の個数: 48

約数和(自身を含む): 56356608

約数和(自身を除く): 35706804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5717, 11434, 17151, 22868, 34302, 40019, 68604, 80038, 120057, 160076, 240114, 245831, 480228, 491662, 737493, 983324, 1474986, 1720817, 2949972, 3441634, 5162451, 6883268, 10324902, 20649804]

約数ペア:

[(1, 20649804), (2, 10324902), (3, 6883268), (4, 5162451), (6, 3441634), (7, 2949972), (12, 1720817), (14, 1474986), (21, 983324), (28, 737493), (42, 491662), (43, 480228), (84, 245831), (86, 240114), (129, 160076), (172, 120057), (258, 80038), (301, 68604), (516, 40019), (602, 34302), (903, 22868), (1204, 17151), (1806, 11434), (3612, 5717)]