2017520220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1977961}}^1$

素因数の和:1977990

約数の個数: 48

約数和(自身を含む): 5981357088

約数和(自身を除く): 3963836868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1977961, 3955922, 5933883, 7911844, 9889805, 11867766, 19779610, 23735532, 29669415, 33625337, 39559220, 59338830, 67250674, 100876011, 118677660, 134501348, 168126685, 201752022, 336253370, 403504044, 504380055, 672506740, 1008760110, 2017520220]

約数ペア:

[(1, 2017520220), (2, 1008760110), (3, 672506740), (4, 504380055), (5, 403504044), (6, 336253370), (10, 201752022), (12, 168126685), (15, 134501348), (17, 118677660), (20, 100876011), (30, 67250674), (34, 59338830), (51, 39559220), (60, 33625337), (68, 29669415), (85, 23735532), (102, 19779610), (170, 11867766), (204, 9889805), (255, 7911844), (340, 5933883), (510, 3955922), (1020, 1977961)]