20573644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 25290356

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 1949, 2639, 3898, 5278, 7796, 10556, 13643, 25337, 27286, 50674, 54572, 56521, 101348, 113042, 177359, 226084, 354718, 395647, 709436, 734773, 791294, 1469546, 1582588, 2939092, 5143411, 10286822, 20573644]

約数ペア:

[(1, 20573644), (2, 10286822), (4, 5143411), (7, 2939092), (13, 1582588), (14, 1469546), (26, 791294), (28, 734773), (29, 709436), (52, 395647), (58, 354718), (91, 226084), (116, 177359), (182, 113042), (203, 101348), (364, 56521), (377, 54572), (406, 50674), (754, 27286), (812, 25337), (1508, 13643), (1949, 10556), (2639, 7796), (3898, 5278)]