20105008

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16319}}^1$

素因数の和:16345

約数の個数: 40

約数和(自身を含む): 48568320

約数和(自身を除く): 28463312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16319, 32638, 65276, 114233, 130552, 179509, 228466, 261104, 359018, 456932, 718036, 913864, 1256563, 1436072, 1827728, 2513126, 2872144, 5026252, 10052504, 20105008]

約数ペア:

[(1, 20105008), (2, 10052504), (4, 5026252), (7, 2872144), (8, 2513126), (11, 1827728), (14, 1436072), (16, 1256563), (22, 913864), (28, 718036), (44, 456932), (56, 359018), (77, 261104), (88, 228466), (112, 179509), (154, 130552), (176, 114233), (308, 65276), (616, 32638), (1232, 16319)]