20673009

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 14750991

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1229, 1869, 2403, 3687, 5607, 8603, 11061, 16821, 25809, 33183, 77427, 109381, 232281, 328143, 765667, 984429, 2297001, 2953287, 6891003, 20673009]

約数ペア:

[(1, 20673009), (3, 6891003), (7, 2953287), (9, 2297001), (21, 984429), (27, 765667), (63, 328143), (89, 232281), (189, 109381), (267, 77427), (623, 33183), (801, 25809), (1229, 16821), (1869, 11061), (2403, 8603), (3687, 5607)]