20370760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1033}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 50252400

約数和(自身を除く): 29881640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1033, 1160, 1972, 2066, 2465, 3944, 4132, 4930, 5165, 8264, 9860, 10330, 17561, 19720, 20660, 29957, 35122, 41320, 59914, 70244, 87805, 119828, 140488, 149785, 175610, 239656, 299570, 351220, 509269, 599140, 702440, 1018538, 1198280, 2037076, 2546345, 4074152, 5092690, 10185380, 20370760]

約数ペア:

[(1, 20370760), (2, 10185380), (4, 5092690), (5, 4074152), (8, 2546345), (10, 2037076), (17, 1198280), (20, 1018538), (29, 702440), (34, 599140), (40, 509269), (58, 351220), (68, 299570), (85, 239656), (116, 175610), (136, 149785), (145, 140488), (170, 119828), (232, 87805), (290, 70244), (340, 59914), (493, 41320), (580, 35122), (680, 29957), (986, 20660), (1033, 19720), (1160, 17561), (1972, 10330), (2066, 9860), (2465, 8264), (3944, 5165), (4132, 4930)]