20415045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11437}}^1$

素因数の和:11469

約数の個数: 32

約数和(自身を含む): 39529728

約数和(自身を除く): 19114683

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11437, 34311, 57185, 80059, 171555, 194429, 240177, 400295, 583287, 972145, 1200885, 1361003, 2916435, 4083009, 6805015, 20415045]

約数ペア:

[(1, 20415045), (3, 6805015), (5, 4083009), (7, 2916435), (15, 1361003), (17, 1200885), (21, 972145), (35, 583287), (51, 400295), (85, 240177), (105, 194429), (119, 171555), (255, 80059), (357, 57185), (595, 34311), (1785, 11437)]