20512667728

素因数分解:

$2^4\times 7^3\times {\mathrm{3737731}}^1$

素因数の和:3737760

約数の個数: 40

約数和(自身を含む): 46347876800

約数和(自身を除く): 25835209072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 3737731, 7475462, 14950924, 26164117, 29901848, 52328234, 59803696, 104656468, 183148819, 209312936, 366297638, 418625872, 732595276, 1282041733, 1465190552, 2564083466, 2930381104, 5128166932, 10256333864, 20512667728]

約数ペア:

[(1, 20512667728), (2, 10256333864), (4, 5128166932), (7, 2930381104), (8, 2564083466), (14, 1465190552), (16, 1282041733), (28, 732595276), (49, 418625872), (56, 366297638), (98, 209312936), (112, 183148819), (196, 104656468), (343, 59803696), (392, 52328234), (686, 29901848), (784, 26164117), (1372, 14950924), (2744, 7475462), (5488, 3737731)]