20215272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10939}}^1$

素因数の和:10966

約数の個数: 64

約数和(自身を含む): 63014400

約数和(自身を除く): 42799128

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 10939, 21878, 32817, 43756, 65634, 76573, 87512, 120329, 131268, 153146, 229719, 240658, 262536, 306292, 360987, 459438, 481316, 612584, 721974, 842303, 918876, 962632, 1443948, 1684606, 1837752, 2526909, 2887896, 3369212, 5053818, 6738424, 10107636, 20215272]

約数ペア:

[(1, 20215272), (2, 10107636), (3, 6738424), (4, 5053818), (6, 3369212), (7, 2887896), (8, 2526909), (11, 1837752), (12, 1684606), (14, 1443948), (21, 962632), (22, 918876), (24, 842303), (28, 721974), (33, 612584), (42, 481316), (44, 459438), (56, 360987), (66, 306292), (77, 262536), (84, 240658), (88, 229719), (132, 153146), (154, 131268), (168, 120329), (231, 87512), (264, 76573), (308, 65634), (462, 43756), (616, 32817), (924, 21878), (1848, 10939)]