20750265

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9811}}^1$

素因数の和:9869

約数の個数: 24

約数和(自身を含む): 36736128

約数和(自身を除く): 15985863

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9811, 29433, 49055, 88299, 147165, 441495, 461117, 1383351, 2305585, 4150053, 6916755, 20750265]

約数ペア:

[(1, 20750265), (3, 6916755), (5, 4150053), (9, 2305585), (15, 1383351), (45, 461117), (47, 441495), (141, 147165), (235, 88299), (423, 49055), (705, 29433), (2115, 9811)]