20834350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 41568768

約数和(自身を除く): 20734418

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 127, 170, 193, 254, 386, 425, 635, 850, 965, 1270, 1930, 2159, 3175, 3281, 4318, 4825, 6350, 6562, 9650, 10795, 16405, 21590, 24511, 32810, 49022, 53975, 82025, 107950, 122555, 164050, 245110, 416687, 612775, 833374, 1225550, 2083435, 4166870, 10417175, 20834350]

約数ペア:

[(1, 20834350), (2, 10417175), (5, 4166870), (10, 2083435), (17, 1225550), (25, 833374), (34, 612775), (50, 416687), (85, 245110), (127, 164050), (170, 122555), (193, 107950), (254, 82025), (386, 53975), (425, 49022), (635, 32810), (850, 24511), (965, 21590), (1270, 16405), (1930, 10795), (2159, 9650), (3175, 6562), (3281, 6350), (4318, 4825)]