20876427

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5407}}^1$

素因数の和:5440

約数の個数: 32

約数和(自身を含む): 36341760

約数和(自身を除く): 15465333

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5407, 16221, 48663, 59477, 70291, 145989, 178431, 210873, 535293, 632619, 773201, 1605879, 1897857, 2319603, 6958809, 20876427]

約数ペア:

[(1, 20876427), (3, 6958809), (9, 2319603), (11, 1897857), (13, 1605879), (27, 773201), (33, 632619), (39, 535293), (99, 210873), (117, 178431), (143, 145989), (297, 70291), (351, 59477), (429, 48663), (1287, 16221), (3861, 5407)]