20798152

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63409}}^1$

素因数の和:63456

約数の個数: 16

約数和(自身を含む): 39948300

約数和(自身を除く): 19150148

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63409, 126818, 253636, 507272, 2599769, 5199538, 10399076, 20798152]

約数ペア:

[(1, 20798152), (2, 10399076), (4, 5199538), (8, 2599769), (41, 507272), (82, 253636), (164, 126818), (328, 63409)]