20702715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125471}}^1$

素因数の和:125490

約数の個数: 16

約数和(自身を含む): 36135936

約数和(自身を除く): 15433221

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 125471, 376413, 627355, 1380181, 1882065, 4140543, 6900905, 20702715]

約数ペア:

[(1, 20702715), (3, 6900905), (5, 4140543), (11, 1882065), (15, 1380181), (33, 627355), (55, 376413), (165, 125471)]