20736738

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9521}}^1$

素因数の和:9551

約数の個数: 36

約数和(自身を含む): 49390614

約数和(自身を除く): 28653876

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9521, 19042, 28563, 57126, 85689, 104731, 171378, 209462, 314193, 628386, 942579, 1152041, 1885158, 2304082, 3456123, 6912246, 10368369, 20736738]

約数ペア:

[(1, 20736738), (2, 10368369), (3, 6912246), (6, 3456123), (9, 2304082), (11, 1885158), (18, 1152041), (22, 942579), (33, 628386), (66, 314193), (99, 209462), (121, 171378), (198, 104731), (242, 85689), (363, 57126), (726, 28563), (1089, 19042), (2178, 9521)]