20941796150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{66683}}^1$

素因数の和:67277

約数の個数: 48

約数和(自身を含む): 42567864768

約数和(自身を除く): 21626068618

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 571, 1142, 2855, 5710, 6281, 12562, 14275, 28550, 31405, 62810, 66683, 133366, 157025, 314050, 333415, 666830, 733513, 1467026, 1667075, 3334150, 3667565, 7335130, 18337825, 36675650, 38075993, 76151986, 190379965, 380759930, 418835923, 837671846, 951899825, 1903799650, 2094179615, 4188359230, 10470898075, 20941796150]

約数ペア:

[(1, 20941796150), (2, 10470898075), (5, 4188359230), (10, 2094179615), (11, 1903799650), (22, 951899825), (25, 837671846), (50, 418835923), (55, 380759930), (110, 190379965), (275, 76151986), (550, 38075993), (571, 36675650), (1142, 18337825), (2855, 7335130), (5710, 3667565), (6281, 3334150), (12562, 1667075), (14275, 1467026), (28550, 733513), (31405, 666830), (62810, 333415), (66683, 314050), (133366, 157025)]