20175092080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{18181}}^1$

素因数の和:18315

約数の個数: 160

約数和(自身を含む): 55678811328

約数和(自身を除く): 35503719248

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 97, 104, 110, 130, 143, 176, 194, 208, 220, 260, 286, 388, 440, 485, 520, 572, 715, 776, 880, 970, 1040, 1067, 1144, 1261, 1430, 1552, 1940, 2134, 2288, 2522, 2860, 3880, 4268, 5044, 5335, 5720, 6305, 7760, 8536, 10088, 10670, 11440, 12610, 13871, 17072, 18181, 20176, 21340, 25220, 27742, 36362, 42680, 50440, 55484, 69355, 72724, 85360, 90905, 100880, 110968, 138710, 145448, 181810, 199991, 221936, 236353, 277420, 290896, 363620, 399982, 472706, 554840, 727240, 799964, 945412, 999955, 1109680, 1181765, 1454480, 1599928, 1763557, 1890824, 1999910, 2363530, 2599883, 3199856, 3527114, 3781648, 3999820, 4727060, 5199766, 7054228, 7999640, 8817785, 9454120, 10399532, 12999415, 14108456, 15999280, 17635570, 18908240, 19399127, 20799064, 22926241, 25998830, 28216912, 35271140, 38798254, 41598128, 45852482, 51997660, 70542280, 77596508, 91704964, 96995635, 103995320, 114631205, 141084560, 155193016, 183409928, 193991270, 207990640, 229262410, 252188651, 310386032, 366819856, 387982540, 458524820, 504377302, 775965080, 917049640, 1008754604, 1260943255, 1551930160, 1834099280, 2017509208, 2521886510, 4035018416, 5043773020, 10087546040, 20175092080]

約数ペア:

[(1, 20175092080), (2, 10087546040), (4, 5043773020), (5, 4035018416), (8, 2521886510), (10, 2017509208), (11, 1834099280), (13, 1551930160), (16, 1260943255), (20, 1008754604), (22, 917049640), (26, 775965080), (40, 504377302), (44, 458524820), (52, 387982540), (55, 366819856), (65, 310386032), (80, 252188651), (88, 229262410), (97, 207990640), (104, 193991270), (110, 183409928), (130, 155193016), (143, 141084560), (176, 114631205), (194, 103995320), (208, 96995635), (220, 91704964), (260, 77596508), (286, 70542280), (388, 51997660), (440, 45852482), (485, 41598128), (520, 38798254), (572, 35271140), (715, 28216912), (776, 25998830), (880, 22926241), (970, 20799064), (1040, 19399127), (1067, 18908240), (1144, 17635570), (1261, 15999280), (1430, 14108456), (1552, 12999415), (1940, 10399532), (2134, 9454120), (2288, 8817785), (2522, 7999640), (2860, 7054228), (3880, 5199766), (4268, 4727060), (5044, 3999820), (5335, 3781648), (5720, 3527114), (6305, 3199856), (7760, 2599883), (8536, 2363530), (10088, 1999910), (10670, 1890824), (11440, 1763557), (12610, 1599928), (13871, 1454480), (17072, 1181765), (18181, 1109680), (20176, 999955), (21340, 945412), (25220, 799964), (27742, 727240), (36362, 554840), (42680, 472706), (50440, 399982), (55484, 363620), (69355, 290896), (72724, 277420), (85360, 236353), (90905, 221936), (100880, 199991), (110968, 181810), (138710, 145448)]