20986096

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31991}}^1$

素因数の和:32040

約数の個数: 20

約数和(自身を含む): 41653584

約数和(自身を除く): 20667488

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31991, 63982, 127964, 255928, 511856, 1311631, 2623262, 5246524, 10493048, 20986096]

約数ペア:

[(1, 20986096), (2, 10493048), (4, 5246524), (8, 2623262), (16, 1311631), (41, 511856), (82, 255928), (164, 127964), (328, 63982), (656, 31991)]