20185848760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{177131}}^1$

素因数の和:177197

約数の個数: 128

約数和(自身を含む): 58155978240

約数和(自身を除く): 37970129480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 616, 740, 770, 814, 1036, 1295, 1480, 1540, 1628, 2035, 2072, 2590, 2849, 3080, 3256, 4070, 5180, 5698, 8140, 10360, 11396, 14245, 16280, 22792, 28490, 56980, 113960, 177131, 354262, 708524, 885655, 1239917, 1417048, 1771310, 1948441, 2479834, 3542620, 3896882, 4959668, 6199585, 6553847, 7085240, 7793764, 9742205, 9919336, 12399170, 13107694, 13639087, 15587528, 19484410, 24798340, 26215388, 27278174, 32769235, 38968820, 45876929, 49596680, 52430776, 54556348, 65538470, 68195435, 72092317, 77937640, 91753858, 109112696, 131076940, 136390870, 144184634, 183507716, 229384645, 262153880, 272781740, 288369268, 360461585, 367015432, 458769290, 504646219, 545563480, 576738536, 720923170, 917538580, 1009292438, 1441846340, 1835077160, 2018584876, 2523231095, 2883692680, 4037169752, 5046462190, 10092924380, 20185848760]

約数ペア:

[(1, 20185848760), (2, 10092924380), (4, 5046462190), (5, 4037169752), (7, 2883692680), (8, 2523231095), (10, 2018584876), (11, 1835077160), (14, 1441846340), (20, 1009292438), (22, 917538580), (28, 720923170), (35, 576738536), (37, 545563480), (40, 504646219), (44, 458769290), (55, 367015432), (56, 360461585), (70, 288369268), (74, 272781740), (77, 262153880), (88, 229384645), (110, 183507716), (140, 144184634), (148, 136390870), (154, 131076940), (185, 109112696), (220, 91753858), (259, 77937640), (280, 72092317), (296, 68195435), (308, 65538470), (370, 54556348), (385, 52430776), (407, 49596680), (440, 45876929), (518, 38968820), (616, 32769235), (740, 27278174), (770, 26215388), (814, 24798340), (1036, 19484410), (1295, 15587528), (1480, 13639087), (1540, 13107694), (1628, 12399170), (2035, 9919336), (2072, 9742205), (2590, 7793764), (2849, 7085240), (3080, 6553847), (3256, 6199585), (4070, 4959668), (5180, 3896882), (5698, 3542620), (8140, 2479834), (10360, 1948441), (11396, 1771310), (14245, 1417048), (16280, 1239917), (22792, 885655), (28490, 708524), (56980, 354262), (113960, 177131)]