20930997

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 28403712

約数和(自身を除く): 7472715

約数列:

[1, 3, 127, 137, 381, 401, 411, 1203, 17399, 50927, 52197, 54937, 152781, 164811, 6976999, 20930997]

約数ペア:

[(1, 20930997), (3, 6976999), (127, 164811), (137, 152781), (381, 54937), (401, 52197), (411, 50927), (1203, 17399)]