20986272

素因数分解:

$2^5\times 3^2\times {\mathrm{72869}}^1$

素因数の和:72885

約数の個数: 36

約数和(自身を含む): 59680530

約数和(自身を除く): 38694258

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72869, 145738, 218607, 291476, 437214, 582952, 655821, 874428, 1165904, 1311642, 1748856, 2331808, 2623284, 3497712, 5246568, 6995424, 10493136, 20986272]

約数ペア:

[(1, 20986272), (2, 10493136), (3, 6995424), (4, 5246568), (6, 3497712), (8, 2623284), (9, 2331808), (12, 1748856), (16, 1311642), (18, 1165904), (24, 874428), (32, 655821), (36, 582952), (48, 437214), (72, 291476), (96, 218607), (144, 145738), (288, 72869)]