20201232212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2906

約数の個数: 144

約数和(自身を含む): 45946478592

約数和(自身を除く): 25745246380

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 31, 38, 46, 62, 76, 92, 124, 133, 161, 217, 266, 322, 361, 434, 437, 532, 589, 644, 713, 722, 868, 874, 1178, 1426, 1444, 1748, 2356, 2527, 2803, 2852, 3059, 4123, 4991, 5054, 5606, 6118, 8246, 8303, 9982, 10108, 11191, 11212, 12236, 13547, 16492, 16606, 19621, 19964, 22382, 27094, 33212, 39242, 44764, 53257, 54188, 58121, 64469, 78337, 78484, 86893, 94829, 106514, 116242, 128938, 156674, 173786, 189658, 213028, 232484, 257393, 257876, 313348, 347572, 372799, 379316, 451283, 514786, 608251, 745598, 902566, 1011883, 1029572, 1216502, 1224911, 1491196, 1650967, 1801751, 1805132, 1998539, 2023766, 2433004, 2449822, 3301934, 3603502, 3997078, 4047532, 4899644, 6603868, 7083181, 7207004, 7994156, 8574377, 11556769, 13989773, 14166362, 17148754, 23113538, 23273309, 27979546, 28332724, 31368373, 34297508, 37972241, 46227076, 46546618, 55959092, 62736746, 75944482, 93093236, 125473492, 151888964, 162913163, 219578611, 265805687, 325826326, 439157222, 531611374, 651652652, 721472579, 878314444, 1063222748, 1442945158, 2885890316, 5050308053, 10100616106, 20201232212]

約数ペア:

[(1, 20201232212), (2, 10100616106), (4, 5050308053), (7, 2885890316), (14, 1442945158), (19, 1063222748), (23, 878314444), (28, 721472579), (31, 651652652), (38, 531611374), (46, 439157222), (62, 325826326), (76, 265805687), (92, 219578611), (124, 162913163), (133, 151888964), (161, 125473492), (217, 93093236), (266, 75944482), (322, 62736746), (361, 55959092), (434, 46546618), (437, 46227076), (532, 37972241), (589, 34297508), (644, 31368373), (713, 28332724), (722, 27979546), (868, 23273309), (874, 23113538), (1178, 17148754), (1426, 14166362), (1444, 13989773), (1748, 11556769), (2356, 8574377), (2527, 7994156), (2803, 7207004), (2852, 7083181), (3059, 6603868), (4123, 4899644), (4991, 4047532), (5054, 3997078), (5606, 3603502), (6118, 3301934), (8246, 2449822), (8303, 2433004), (9982, 2023766), (10108, 1998539), (11191, 1805132), (11212, 1801751), (12236, 1650967), (13547, 1491196), (16492, 1224911), (16606, 1216502), (19621, 1029572), (19964, 1011883), (22382, 902566), (27094, 745598), (33212, 608251), (39242, 514786), (44764, 451283), (53257, 379316), (54188, 372799), (58121, 347572), (64469, 313348), (78337, 257876), (78484, 257393), (86893, 232484), (94829, 213028), (106514, 189658), (116242, 173786), (128938, 156674)]