20938377

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 29739424

約数和(自身を除く): 8801047

約数列:

[1, 3, 29, 43, 87, 129, 193, 579, 841, 1247, 2523, 3741, 5597, 8299, 16791, 24897, 36163, 108489, 162313, 240671, 486939, 722013, 6979459, 20938377]

約数ペア:

[(1, 20938377), (3, 6979459), (29, 722013), (43, 486939), (87, 240671), (129, 162313), (193, 108489), (579, 36163), (841, 24897), (1247, 16791), (2523, 8299), (3741, 5597)]