20749650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3275

約数の個数: 48

約数和(自身を含む): 52672224

約数和(自身を除く): 31922574

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3217, 3225, 6434, 6450, 9651, 16085, 19302, 32170, 48255, 80425, 96510, 138331, 160850, 241275, 276662, 414993, 482550, 691655, 829986, 1383310, 2074965, 3458275, 4149930, 6916550, 10374825, 20749650]

約数ペア:

[(1, 20749650), (2, 10374825), (3, 6916550), (5, 4149930), (6, 3458275), (10, 2074965), (15, 1383310), (25, 829986), (30, 691655), (43, 482550), (50, 414993), (75, 276662), (86, 241275), (129, 160850), (150, 138331), (215, 96510), (258, 80425), (430, 48255), (645, 32170), (1075, 19302), (1290, 16085), (2150, 9651), (3217, 6450), (3225, 6434)]