20512521470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{105751}}^1$

素因数の和:105945

約数の個数: 64

約数和(自身を含む): 44953906176

約数和(自身を除く): 24441384706

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 163, 170, 238, 326, 595, 815, 1141, 1190, 1630, 2282, 2771, 5542, 5705, 11410, 13855, 19397, 27710, 38794, 96985, 105751, 193970, 211502, 528755, 740257, 1057510, 1480514, 1797767, 3595534, 3701285, 7402570, 8988835, 12584369, 17237413, 17977670, 25168738, 34474826, 62921845, 86187065, 120661891, 125843690, 172374130, 241323782, 293036021, 586072042, 603309455, 1206618910, 1465180105, 2051252147, 2930360210, 4102504294, 10256260735, 20512521470]

約数ペア:

[(1, 20512521470), (2, 10256260735), (5, 4102504294), (7, 2930360210), (10, 2051252147), (14, 1465180105), (17, 1206618910), (34, 603309455), (35, 586072042), (70, 293036021), (85, 241323782), (119, 172374130), (163, 125843690), (170, 120661891), (238, 86187065), (326, 62921845), (595, 34474826), (815, 25168738), (1141, 17977670), (1190, 17237413), (1630, 12584369), (2282, 8988835), (2771, 7402570), (5542, 3701285), (5705, 3595534), (11410, 1797767), (13855, 1480514), (19397, 1057510), (27710, 740257), (38794, 528755), (96985, 211502), (105751, 193970)]