20027817

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 28

約数和(自身を含む): 30481584

約数和(自身を除く): 10453767

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 331, 729, 747, 993, 2241, 2979, 6723, 8937, 20169, 26811, 27473, 60507, 80433, 82419, 241299, 247257, 741771, 2225313, 6675939, 20027817]

約数ペア:

[(1, 20027817), (3, 6675939), (9, 2225313), (27, 741771), (81, 247257), (83, 241299), (243, 82419), (249, 80433), (331, 60507), (729, 27473), (747, 26811), (993, 20169), (2241, 8937), (2979, 6723)]