20788504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10271}}^1$

素因数の和:10311

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 23586536

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10271, 20542, 41084, 82168, 112981, 225962, 236233, 451924, 472466, 903848, 944932, 1889864, 2598563, 5197126, 10394252, 20788504]

約数ペア:

[(1, 20788504), (2, 10394252), (4, 5197126), (8, 2598563), (11, 1889864), (22, 944932), (23, 903848), (44, 472466), (46, 451924), (88, 236233), (92, 225962), (184, 112981), (253, 82168), (506, 41084), (1012, 20542), (2024, 10271)]