20607685

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 30490668

約数和(自身を除く): 9882983

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 233, 245, 361, 665, 931, 1165, 1631, 1805, 2527, 4427, 4655, 8155, 11417, 12635, 17689, 22135, 30989, 57085, 84113, 88445, 154945, 216923, 420565, 588791, 1084615, 2943955, 4121537, 20607685]

約数ペア:

[(1, 20607685), (5, 4121537), (7, 2943955), (19, 1084615), (35, 588791), (49, 420565), (95, 216923), (133, 154945), (233, 88445), (245, 84113), (361, 57085), (665, 30989), (931, 22135), (1165, 17689), (1631, 12635), (1805, 11417), (2527, 8155), (4427, 4655)]