20894373

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 31716672

約数和(自身を除く): 10822299

約数列:

[1, 3, 9, 23, 69, 193, 207, 523, 579, 1569, 1737, 4439, 4707, 12029, 13317, 36087, 39951, 100939, 108261, 302817, 908451, 2321597, 6964791, 20894373]

約数ペア:

[(1, 20894373), (3, 6964791), (9, 2321597), (23, 908451), (69, 302817), (193, 108261), (207, 100939), (523, 39951), (579, 36087), (1569, 13317), (1737, 12029), (4439, 4707)]