20207715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122471}}^1$

素因数の和:122490

約数の個数: 16

約数和(自身を含む): 35271936

約数和(自身を除く): 15064221

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 122471, 367413, 612355, 1347181, 1837065, 4041543, 6735905, 20207715]

約数ペア:

[(1, 20207715), (3, 6735905), (5, 4041543), (11, 1837065), (15, 1347181), (33, 612355), (55, 367413), (165, 122471)]