20863428

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40433}}^1$

素因数の和:40483

約数の個数: 24

約数和(自身を含む): 49814688

約数和(自身を除く): 28951260

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40433, 80866, 121299, 161732, 242598, 485196, 1738619, 3477238, 5215857, 6954476, 10431714, 20863428]

約数ペア:

[(1, 20863428), (2, 10431714), (3, 6954476), (4, 5215857), (6, 3477238), (12, 1738619), (43, 485196), (86, 242598), (129, 161732), (172, 121299), (258, 80866), (516, 40433)]