20394117

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 30264000

約数和(自身を除く): 9869883

約数列:

[1, 3, 9, 59, 177, 193, 199, 531, 579, 597, 1737, 1791, 11387, 11741, 34161, 35223, 38407, 102483, 105669, 115221, 345663, 2266013, 6798039, 20394117]

約数ペア:

[(1, 20394117), (3, 6798039), (9, 2266013), (59, 345663), (177, 115221), (193, 105669), (199, 102483), (531, 38407), (579, 35223), (597, 34161), (1737, 11741), (1791, 11387)]