20996085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127249}}^1$

素因数の和:127268

約数の個数: 16

約数和(自身を含む): 36648000

約数和(自身を除く): 15651915

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127249, 381747, 636245, 1399739, 1908735, 4199217, 6998695, 20996085]

約数ペア:

[(1, 20996085), (3, 6998695), (5, 4199217), (11, 1908735), (15, 1399739), (33, 636245), (55, 381747), (165, 127249)]