20291024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97553}}^1$

素因数の和:97574

約数の個数: 20

約数和(自身を含む): 42338436

約数和(自身を除く): 22047412

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97553, 195106, 390212, 780424, 1268189, 1560848, 2536378, 5072756, 10145512, 20291024]

約数ペア:

[(1, 20291024), (2, 10145512), (4, 5072756), (8, 2536378), (13, 1560848), (16, 1268189), (26, 780424), (52, 390212), (104, 195106), (208, 97553)]