20341557

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 31651200

約数和(自身を除く): 11309643

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 313, 747, 783, 939, 2241, 2407, 2817, 7221, 8451, 9077, 21663, 25979, 27231, 64989, 77937, 81693, 233811, 245079, 701433, 753391, 2260173, 6780519, 20341557]

約数ペア:

[(1, 20341557), (3, 6780519), (9, 2260173), (27, 753391), (29, 701433), (83, 245079), (87, 233811), (249, 81693), (261, 77937), (313, 64989), (747, 27231), (783, 25979), (939, 21663), (2241, 9077), (2407, 8451), (2817, 7221)]