20251881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{967}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 11459799

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 967, 1611, 2327, 2901, 6981, 8703, 12571, 20943, 37713, 113139, 173093, 519279, 1557837, 2250209, 6750627, 20251881]

約数ペア:

[(1, 20251881), (3, 6750627), (9, 2250209), (13, 1557837), (39, 519279), (117, 173093), (179, 113139), (537, 37713), (967, 20943), (1611, 12571), (2327, 8703), (2901, 6981)]