20117775356

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1051}}^1\times {\mathrm{1601}}^1$

素因数の和:2731

約数の個数: 72

約数和(自身を含む): 41691050352

約数和(自身を除く): 21573274996

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1051, 1601, 1708, 2102, 2989, 3202, 4204, 5978, 6404, 7357, 11207, 11956, 14714, 22414, 29428, 44828, 51499, 64111, 78449, 97661, 102998, 128222, 156898, 195322, 205996, 256444, 313796, 390644, 448777, 683627, 897554, 1367254, 1682651, 1795108, 2734508, 3141439, 3365302, 4785389, 6282878, 6730604, 9570778, 11778557, 12565756, 19141556, 23557114, 47114228, 82449899, 102641711, 164899798, 205283422, 329799596, 410566844, 718491977, 1436983954, 2873967908, 5029443839, 10058887678, 20117775356]

約数ペア:

[(1, 20117775356), (2, 10058887678), (4, 5029443839), (7, 2873967908), (14, 1436983954), (28, 718491977), (49, 410566844), (61, 329799596), (98, 205283422), (122, 164899798), (196, 102641711), (244, 82449899), (427, 47114228), (854, 23557114), (1051, 19141556), (1601, 12565756), (1708, 11778557), (2102, 9570778), (2989, 6730604), (3202, 6282878), (4204, 4785389), (5978, 3365302), (6404, 3141439), (7357, 2734508), (11207, 1795108), (11956, 1682651), (14714, 1367254), (22414, 897554), (29428, 683627), (44828, 448777), (51499, 390644), (64111, 313796), (78449, 256444), (97661, 205996), (102998, 195322), (128222, 156898)]