20296485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 38795328

約数和(自身を除く): 18498843

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 131, 165, 313, 393, 495, 655, 939, 1179, 1441, 1565, 1965, 2817, 3443, 4323, 4695, 5895, 7205, 10329, 12969, 14085, 17215, 21615, 30987, 41003, 51645, 64845, 123009, 154935, 205015, 369027, 451033, 615045, 1353099, 1845135, 2255165, 4059297, 6765495, 20296485]

約数ペア:

[(1, 20296485), (3, 6765495), (5, 4059297), (9, 2255165), (11, 1845135), (15, 1353099), (33, 615045), (45, 451033), (55, 369027), (99, 205015), (131, 154935), (165, 123009), (313, 64845), (393, 51645), (495, 41003), (655, 30987), (939, 21615), (1179, 17215), (1441, 14085), (1565, 12969), (1965, 10329), (2817, 7205), (3443, 5895), (4323, 4695)]