20859405240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{78977}}^1$

素因数の和:79093

約数の個数: 128

約数和(自身を含む): 65507512320

約数和(自身を除く): 44648107080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 93, 120, 124, 142, 155, 186, 213, 248, 284, 310, 355, 372, 426, 465, 568, 620, 710, 744, 852, 930, 1065, 1240, 1420, 1704, 1860, 2130, 2201, 2840, 3720, 4260, 4402, 6603, 8520, 8804, 11005, 13206, 17608, 22010, 26412, 33015, 44020, 52824, 66030, 78977, 88040, 132060, 157954, 236931, 264120, 315908, 394885, 473862, 631816, 789770, 947724, 1184655, 1579540, 1895448, 2369310, 2448287, 3159080, 4738620, 4896574, 5607367, 7344861, 9477240, 9793148, 11214734, 12241435, 14689722, 16822101, 19586296, 22429468, 24482870, 28036835, 29379444, 33644202, 36724305, 44858936, 48965740, 56073670, 58758888, 67288404, 73448610, 84110505, 97931480, 112147340, 134576808, 146897220, 168221010, 173828377, 224294680, 293794440, 336442020, 347656754, 521485131, 672884040, 695313508, 869141885, 1042970262, 1390627016, 1738283770, 2085940524, 2607425655, 3476567540, 4171881048, 5214851310, 6953135080, 10429702620, 20859405240]

約数ペア:

[(1, 20859405240), (2, 10429702620), (3, 6953135080), (4, 5214851310), (5, 4171881048), (6, 3476567540), (8, 2607425655), (10, 2085940524), (12, 1738283770), (15, 1390627016), (20, 1042970262), (24, 869141885), (30, 695313508), (31, 672884040), (40, 521485131), (60, 347656754), (62, 336442020), (71, 293794440), (93, 224294680), (120, 173828377), (124, 168221010), (142, 146897220), (155, 134576808), (186, 112147340), (213, 97931480), (248, 84110505), (284, 73448610), (310, 67288404), (355, 58758888), (372, 56073670), (426, 48965740), (465, 44858936), (568, 36724305), (620, 33644202), (710, 29379444), (744, 28036835), (852, 24482870), (930, 22429468), (1065, 19586296), (1240, 16822101), (1420, 14689722), (1704, 12241435), (1860, 11214734), (2130, 9793148), (2201, 9477240), (2840, 7344861), (3720, 5607367), (4260, 4896574), (4402, 4738620), (6603, 3159080), (8520, 2448287), (8804, 2369310), (11005, 1895448), (13206, 1579540), (17608, 1184655), (22010, 947724), (26412, 789770), (33015, 631816), (44020, 473862), (52824, 394885), (66030, 315908), (78977, 264120), (88040, 236931), (132060, 157954)]