20501229

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7687}}^1$

素因数の和:7824

約数の個数: 16

約数和(自身を含む): 31490048

約数和(自身を除く): 10988819

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7687, 23061, 53809, 161427, 976249, 2928747, 6833743, 20501229]

約数ペア:

[(1, 20501229), (3, 6833743), (7, 2928747), (21, 976249), (127, 161427), (381, 53809), (889, 23061), (2667, 7687)]