20489601

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 31102848

約数和(自身を除く): 10613247

約数列:

[1, 3, 11, 33, 37, 97, 111, 173, 291, 407, 519, 1067, 1221, 1903, 3201, 3589, 5709, 6401, 10767, 16781, 19203, 39479, 50343, 70411, 118437, 184591, 211233, 553773, 620897, 1862691, 6829867, 20489601]

約数ペア:

[(1, 20489601), (3, 6829867), (11, 1862691), (33, 620897), (37, 553773), (97, 211233), (111, 184591), (173, 118437), (291, 70411), (407, 50343), (519, 39479), (1067, 19203), (1221, 16781), (1903, 10767), (3201, 6401), (3589, 5709)]