20436368

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31153}}^1$

素因数の和:31202

約数の個数: 20

約数和(自身を含む): 40562508

約数和(自身を除く): 20126140

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31153, 62306, 124612, 249224, 498448, 1277273, 2554546, 5109092, 10218184, 20436368]

約数ペア:

[(1, 20436368), (2, 10218184), (4, 5109092), (8, 2554546), (16, 1277273), (41, 498448), (82, 249224), (164, 124612), (328, 62306), (656, 31153)]