20168085080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3525889}}^1$

素因数の和:3525924

約数の個数: 64

約数和(自身を含む): 53311456800

約数和(自身を除く): 33143371720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 3525889, 7051778, 14103556, 17629445, 28207112, 35258890, 38784779, 45836557, 70517780, 77569558, 91673114, 141035560, 155139116, 183346228, 193923895, 229182785, 310278232, 366692456, 387847790, 458365570, 504202127, 775695580, 916731140, 1008404254, 1551391160, 1833462280, 2016808508, 2521010635, 4033617016, 5042021270, 10084042540, 20168085080]

約数ペア:

[(1, 20168085080), (2, 10084042540), (4, 5042021270), (5, 4033617016), (8, 2521010635), (10, 2016808508), (11, 1833462280), (13, 1551391160), (20, 1008404254), (22, 916731140), (26, 775695580), (40, 504202127), (44, 458365570), (52, 387847790), (55, 366692456), (65, 310278232), (88, 229182785), (104, 193923895), (110, 183346228), (130, 155139116), (143, 141035560), (220, 91673114), (260, 77569558), (286, 70517780), (440, 45836557), (520, 38784779), (572, 35258890), (715, 28207112), (1144, 17629445), (1430, 14103556), (2860, 7051778), (5720, 3525889)]