20256984

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25577}}^1$

素因数の和:25600

約数の個数: 48

約数和(自身を含む): 59852520

約数和(自身を除く): 39595536

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 25577, 51154, 76731, 102308, 153462, 204616, 230193, 281347, 306924, 460386, 562694, 613848, 844041, 920772, 1125388, 1688082, 1841544, 2250776, 2532123, 3376164, 5064246, 6752328, 10128492, 20256984]

約数ペア:

[(1, 20256984), (2, 10128492), (3, 6752328), (4, 5064246), (6, 3376164), (8, 2532123), (9, 2250776), (11, 1841544), (12, 1688082), (18, 1125388), (22, 920772), (24, 844041), (33, 613848), (36, 562694), (44, 460386), (66, 306924), (72, 281347), (88, 230193), (99, 204616), (132, 153462), (198, 102308), (264, 76731), (396, 51154), (792, 25577)]