20836408

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{32969}}^1$

素因数の和:33054

約数の個数: 16

約数和(自身を含む): 39564000

約数和(自身を除く): 18727592

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 32969, 65938, 131876, 263752, 2604551, 5209102, 10418204, 20836408]

約数ペア:

[(1, 20836408), (2, 10418204), (4, 5209102), (8, 2604551), (79, 263752), (158, 131876), (316, 65938), (632, 32969)]