20617888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33911}}^1$

素因数の和:33940

約数の個数: 24

約数和(自身を含む): 42729120

約数和(自身を除く): 22111232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33911, 67822, 135644, 271288, 542576, 644309, 1085152, 1288618, 2577236, 5154472, 10308944, 20617888]

約数ペア:

[(1, 20617888), (2, 10308944), (4, 5154472), (8, 2577236), (16, 1288618), (19, 1085152), (32, 644309), (38, 542576), (76, 271288), (152, 135644), (304, 67822), (608, 33911)]