20422864

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^3\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 50103936

約数和(自身を除く): 29681072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 137, 154, 176, 242, 274, 308, 484, 548, 616, 847, 959, 968, 1096, 1232, 1331, 1507, 1694, 1918, 1936, 2192, 2662, 3014, 3388, 3836, 5324, 6028, 6776, 7672, 9317, 10549, 10648, 12056, 13552, 15344, 16577, 18634, 21098, 21296, 24112, 33154, 37268, 42196, 66308, 74536, 84392, 116039, 132616, 149072, 168784, 182347, 232078, 265232, 364694, 464156, 729388, 928312, 1276429, 1458776, 1856624, 2552858, 2917552, 5105716, 10211432, 20422864]

約数ペア:

[(1, 20422864), (2, 10211432), (4, 5105716), (7, 2917552), (8, 2552858), (11, 1856624), (14, 1458776), (16, 1276429), (22, 928312), (28, 729388), (44, 464156), (56, 364694), (77, 265232), (88, 232078), (112, 182347), (121, 168784), (137, 149072), (154, 132616), (176, 116039), (242, 84392), (274, 74536), (308, 66308), (484, 42196), (548, 37268), (616, 33154), (847, 24112), (959, 21296), (968, 21098), (1096, 18634), (1232, 16577), (1331, 15344), (1507, 13552), (1694, 12056), (1918, 10648), (1936, 10549), (2192, 9317), (2662, 7672), (3014, 6776), (3388, 6028), (3836, 5324)]