20087371444

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1170

約数の個数: 144

約数和(自身を含む): 44714557440

約数和(自身を除く): 24627185996

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 191, 196, 217, 266, 382, 434, 532, 589, 764, 868, 911, 931, 1178, 1337, 1519, 1822, 1862, 2356, 2674, 3038, 3629, 3644, 3724, 4123, 5348, 5921, 6076, 6377, 7258, 8246, 9359, 11842, 12754, 14516, 16492, 17309, 18718, 23684, 25403, 25508, 28241, 28861, 34618, 37436, 41447, 44639, 50806, 56482, 57722, 69236, 82894, 89278, 101612, 112499, 112964, 115444, 121163, 165788, 174001, 177821, 178556, 197687, 224998, 242326, 290129, 348002, 355642, 395374, 449996, 484652, 536579, 580258, 696004, 711284, 787493, 790748, 848141, 1073158, 1160516, 1218007, 1383809, 1574986, 1696282, 2146316, 2436014, 2767618, 3149972, 3306019, 3392564, 3756053, 4872028, 5394031, 5512451, 5535236, 6612038, 7512106, 8526049, 10788062, 11024902, 13224076, 15024212, 17052098, 21576124, 22049804, 23142133, 26292371, 34104196, 37758217, 46284266, 52584742, 75516434, 92568532, 102486589, 105169484, 151032868, 161994931, 204973178, 264307519, 323989862, 409946356, 528615038, 647979724, 717406123, 1057230076, 1434812246, 2869624492, 5021842861, 10043685722, 20087371444]

約数ペア:

[(1, 20087371444), (2, 10043685722), (4, 5021842861), (7, 2869624492), (14, 1434812246), (19, 1057230076), (28, 717406123), (31, 647979724), (38, 528615038), (49, 409946356), (62, 323989862), (76, 264307519), (98, 204973178), (124, 161994931), (133, 151032868), (191, 105169484), (196, 102486589), (217, 92568532), (266, 75516434), (382, 52584742), (434, 46284266), (532, 37758217), (589, 34104196), (764, 26292371), (868, 23142133), (911, 22049804), (931, 21576124), (1178, 17052098), (1337, 15024212), (1519, 13224076), (1822, 11024902), (1862, 10788062), (2356, 8526049), (2674, 7512106), (3038, 6612038), (3629, 5535236), (3644, 5512451), (3724, 5394031), (4123, 4872028), (5348, 3756053), (5921, 3392564), (6076, 3306019), (6377, 3149972), (7258, 2767618), (8246, 2436014), (9359, 2146316), (11842, 1696282), (12754, 1574986), (14516, 1383809), (16492, 1218007), (17309, 1160516), (18718, 1073158), (23684, 848141), (25403, 790748), (25508, 787493), (28241, 711284), (28861, 696004), (34618, 580258), (37436, 536579), (41447, 484652), (44639, 449996), (50806, 395374), (56482, 355642), (57722, 348002), (69236, 290129), (82894, 242326), (89278, 224998), (101612, 197687), (112499, 178556), (112964, 177821), (115444, 174001), (121163, 165788)]