20587779080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{57271}}^1$

素因数の和:57355

約数の個数: 128

約数和(自身を含む): 54431308800

約数和(自身を除く): 33843529720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 76, 86, 88, 95, 110, 152, 172, 190, 209, 215, 220, 344, 380, 418, 430, 440, 473, 760, 817, 836, 860, 946, 1045, 1634, 1672, 1720, 1892, 2090, 2365, 3268, 3784, 4085, 4180, 4730, 6536, 8170, 8360, 8987, 9460, 16340, 17974, 18920, 32680, 35948, 44935, 57271, 71896, 89870, 114542, 179740, 229084, 286355, 359480, 458168, 572710, 629981, 1088149, 1145420, 1259962, 2176298, 2290840, 2462653, 2519924, 3149905, 4352596, 4925306, 5039848, 5440745, 6299810, 8705192, 9850612, 10881490, 11969639, 12313265, 12599620, 19701224, 21762980, 23939278, 24626530, 25199240, 27089183, 43525960, 46790407, 47878556, 49253060, 54178366, 59848195, 93580814, 95757112, 98506120, 108356732, 119696390, 135445915, 187161628, 216713464, 233952035, 239392780, 270891830, 374323256, 467904070, 478785560, 514694477, 541783660, 935808140, 1029388954, 1083567320, 1871616280, 2058777908, 2573472385, 4117555816, 5146944770, 10293889540, 20587779080]

約数ペア:

[(1, 20587779080), (2, 10293889540), (4, 5146944770), (5, 4117555816), (8, 2573472385), (10, 2058777908), (11, 1871616280), (19, 1083567320), (20, 1029388954), (22, 935808140), (38, 541783660), (40, 514694477), (43, 478785560), (44, 467904070), (55, 374323256), (76, 270891830), (86, 239392780), (88, 233952035), (95, 216713464), (110, 187161628), (152, 135445915), (172, 119696390), (190, 108356732), (209, 98506120), (215, 95757112), (220, 93580814), (344, 59848195), (380, 54178366), (418, 49253060), (430, 47878556), (440, 46790407), (473, 43525960), (760, 27089183), (817, 25199240), (836, 24626530), (860, 23939278), (946, 21762980), (1045, 19701224), (1634, 12599620), (1672, 12313265), (1720, 11969639), (1892, 10881490), (2090, 9850612), (2365, 8705192), (3268, 6299810), (3784, 5440745), (4085, 5039848), (4180, 4925306), (4730, 4352596), (6536, 3149905), (8170, 2519924), (8360, 2462653), (8987, 2290840), (9460, 2176298), (16340, 1259962), (17974, 1145420), (18920, 1088149), (32680, 629981), (35948, 572710), (44935, 458168), (57271, 359480), (71896, 286355), (89870, 229084), (114542, 179740)]