20026215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 39536640

約数和(自身を除く): 19510425

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 1759, 2277, 3795, 5277, 8795, 11385, 15831, 19349, 26385, 40457, 58047, 79155, 96745, 121371, 174141, 202285, 290235, 364113, 445027, 606855, 870705, 1335081, 1820565, 2225135, 4005243, 6675405, 20026215]

約数ペア:

[(1, 20026215), (3, 6675405), (5, 4005243), (9, 2225135), (11, 1820565), (15, 1335081), (23, 870705), (33, 606855), (45, 445027), (55, 364113), (69, 290235), (99, 202285), (115, 174141), (165, 121371), (207, 96745), (253, 79155), (345, 58047), (495, 40457), (759, 26385), (1035, 19349), (1265, 15831), (1759, 11385), (2277, 8795), (3795, 5277)]