20674456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21834344

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 983, 1912, 1966, 2629, 3932, 5258, 7864, 10516, 10813, 21032, 21626, 43252, 86504, 234937, 469874, 939748, 1879496, 2584307, 5168614, 10337228, 20674456]

約数ペア:

[(1, 20674456), (2, 10337228), (4, 5168614), (8, 2584307), (11, 1879496), (22, 939748), (44, 469874), (88, 234937), (239, 86504), (478, 43252), (956, 21626), (983, 21032), (1912, 10813), (1966, 10516), (2629, 7864), (3932, 5258)]