20217050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 43925760

約数和(自身を除く): 23708710

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1229, 1645, 2350, 2458, 3290, 6145, 8225, 8603, 12290, 16450, 17206, 30725, 43015, 57763, 61450, 86030, 115526, 215075, 288815, 404341, 430150, 577630, 808682, 1444075, 2021705, 2888150, 4043410, 10108525, 20217050]

約数ペア:

[(1, 20217050), (2, 10108525), (5, 4043410), (7, 2888150), (10, 2021705), (14, 1444075), (25, 808682), (35, 577630), (47, 430150), (50, 404341), (70, 288815), (94, 215075), (175, 115526), (235, 86030), (329, 61450), (350, 57763), (470, 43015), (658, 30725), (1175, 17206), (1229, 16450), (1645, 12290), (2350, 8603), (2458, 8225), (3290, 6145)]