20512201997

素因数分解:

$7^1\times {\mathrm{1163}}^1\times {\mathrm{1483}}^1\times {\mathrm{1699}}^1$

素因数の和:4352

約数の個数: 16

約数和(自身を含む): 23492313600

約数和(自身を除く): 2980111603

約数列:

[1, 7, 1163, 1483, 1699, 8141, 10381, 11893, 1724729, 1975937, 2519617, 12073103, 13831559, 17637319, 2930314571, 20512201997]

約数ペア:

[(1, 20512201997), (7, 2930314571), (1163, 17637319), (1483, 13831559), (1699, 12073103), (8141, 2519617), (10381, 1975937), (11893, 1724729)]