20906433

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 31547880

約数和(自身を除く): 10641447

約数列:

[1, 3, 9, 41, 53, 123, 159, 369, 477, 1069, 2173, 3207, 6519, 9621, 19557, 43829, 56657, 131487, 169971, 394461, 509913, 2322937, 6968811, 20906433]

約数ペア:

[(1, 20906433), (3, 6968811), (9, 2322937), (41, 509913), (53, 394461), (123, 169971), (159, 131487), (369, 56657), (477, 43829), (1069, 19557), (2173, 9621), (3207, 6519)]