20032005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1783}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 36993024

約数和(自身を除く): 16961019

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1605, 1783, 2247, 3745, 5349, 8915, 11235, 12481, 26745, 37443, 62405, 187215, 190781, 572343, 953905, 1335467, 2861715, 4006401, 6677335, 20032005]

約数ペア:

[(1, 20032005), (3, 6677335), (5, 4006401), (7, 2861715), (15, 1335467), (21, 953905), (35, 572343), (105, 190781), (107, 187215), (321, 62405), (535, 37443), (749, 26745), (1605, 12481), (1783, 11235), (2247, 8915), (3745, 5349)]