20715016

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19469}}^1$

素因数の和:19501

約数の個数: 32

約数和(自身を含む): 46728000

約数和(自身を除く): 26012984

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19469, 38938, 77876, 136283, 155752, 272566, 369911, 545132, 739822, 1090264, 1479644, 2589377, 2959288, 5178754, 10357508, 20715016]

約数ペア:

[(1, 20715016), (2, 10357508), (4, 5178754), (7, 2959288), (8, 2589377), (14, 1479644), (19, 1090264), (28, 739822), (38, 545132), (56, 369911), (76, 272566), (133, 155752), (152, 136283), (266, 77876), (532, 38938), (1064, 19469)]