20611276

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 27288884

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 43, 53, 68, 76, 86, 106, 119, 133, 172, 212, 238, 266, 301, 323, 371, 476, 532, 602, 646, 731, 742, 817, 901, 1007, 1204, 1292, 1462, 1484, 1634, 1802, 2014, 2261, 2279, 2924, 3268, 3604, 4028, 4522, 4558, 5117, 5719, 6307, 7049, 9044, 9116, 10234, 11438, 12614, 13889, 14098, 15953, 17119, 20468, 22876, 25228, 27778, 28196, 31906, 34238, 38743, 43301, 55556, 63812, 68476, 77486, 86602, 97223, 119833, 154972, 173204, 194446, 239666, 271201, 303107, 388892, 479332, 542402, 606214, 736117, 1084804, 1212428, 1472234, 2944468, 5152819, 10305638, 20611276]

約数ペア:

[(1, 20611276), (2, 10305638), (4, 5152819), (7, 2944468), (14, 1472234), (17, 1212428), (19, 1084804), (28, 736117), (34, 606214), (38, 542402), (43, 479332), (53, 388892), (68, 303107), (76, 271201), (86, 239666), (106, 194446), (119, 173204), (133, 154972), (172, 119833), (212, 97223), (238, 86602), (266, 77486), (301, 68476), (323, 63812), (371, 55556), (476, 43301), (532, 38743), (602, 34238), (646, 31906), (731, 28196), (742, 27778), (817, 25228), (901, 22876), (1007, 20468), (1204, 17119), (1292, 15953), (1462, 14098), (1484, 13889), (1634, 12614), (1802, 11438), (2014, 10234), (2261, 9116), (2279, 9044), (2924, 7049), (3268, 6307), (3604, 5719), (4028, 5117), (4522, 4558)]