20903370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2411}}^1$

素因数の和:2455

約数の個数: 48

約数和(自身を含む): 53314848

約数和(自身を除く): 32411478

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2411, 2890, 4335, 4822, 7233, 8670, 12055, 14466, 24110, 36165, 40987, 72330, 81974, 122961, 204935, 245922, 409870, 614805, 696779, 1229610, 1393558, 2090337, 3483895, 4180674, 6967790, 10451685, 20903370]

約数ペア:

[(1, 20903370), (2, 10451685), (3, 6967790), (5, 4180674), (6, 3483895), (10, 2090337), (15, 1393558), (17, 1229610), (30, 696779), (34, 614805), (51, 409870), (85, 245922), (102, 204935), (170, 122961), (255, 81974), (289, 72330), (510, 40987), (578, 36165), (867, 24110), (1445, 14466), (1734, 12055), (2411, 8670), (2890, 7233), (4335, 4822)]