20809572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10771}}^1$

素因数の和:10808

約数の個数: 48

約数和(自身を含む): 57910272

約数和(自身を除く): 37100700

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 10771, 21542, 32313, 43084, 64626, 75397, 129252, 150794, 226191, 247733, 301588, 452382, 495466, 743199, 904764, 990932, 1486398, 1734131, 2972796, 3468262, 5202393, 6936524, 10404786, 20809572]

約数ペア:

[(1, 20809572), (2, 10404786), (3, 6936524), (4, 5202393), (6, 3468262), (7, 2972796), (12, 1734131), (14, 1486398), (21, 990932), (23, 904764), (28, 743199), (42, 495466), (46, 452382), (69, 301588), (84, 247733), (92, 226191), (138, 150794), (161, 129252), (276, 75397), (322, 64626), (483, 43084), (644, 32313), (966, 21542), (1932, 10771)]