20157396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{757}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 53993856

約数和(自身を除く): 33836460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 317, 634, 757, 951, 1268, 1514, 1902, 2219, 2271, 3028, 3804, 4438, 4542, 5299, 6657, 8876, 9084, 10598, 13314, 15897, 21196, 26628, 31794, 63588, 239969, 479938, 719907, 959876, 1439814, 1679783, 2879628, 3359566, 5039349, 6719132, 10078698, 20157396]

約数ペア:

[(1, 20157396), (2, 10078698), (3, 6719132), (4, 5039349), (6, 3359566), (7, 2879628), (12, 1679783), (14, 1439814), (21, 959876), (28, 719907), (42, 479938), (84, 239969), (317, 63588), (634, 31794), (757, 26628), (951, 21196), (1268, 15897), (1514, 13314), (1902, 10598), (2219, 9084), (2271, 8876), (3028, 6657), (3804, 5299), (4438, 4542)]