20359570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 46262016

約数和(自身を除く): 25902446

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 193, 274, 385, 386, 685, 770, 959, 965, 1351, 1370, 1507, 1918, 1930, 2123, 2702, 3014, 4246, 4795, 6755, 7535, 9590, 10549, 10615, 13510, 14861, 15070, 21098, 21230, 26441, 29722, 52745, 52882, 74305, 105490, 132205, 148610, 185087, 264410, 290851, 370174, 581702, 925435, 1454255, 1850870, 2035957, 2908510, 4071914, 10179785, 20359570]

約数ペア:

[(1, 20359570), (2, 10179785), (5, 4071914), (7, 2908510), (10, 2035957), (11, 1850870), (14, 1454255), (22, 925435), (35, 581702), (55, 370174), (70, 290851), (77, 264410), (110, 185087), (137, 148610), (154, 132205), (193, 105490), (274, 74305), (385, 52882), (386, 52745), (685, 29722), (770, 26441), (959, 21230), (965, 21098), (1351, 15070), (1370, 14861), (1507, 13510), (1918, 10615), (1930, 10549), (2123, 9590), (2702, 7535), (3014, 6755), (4246, 4795)]