20201445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 39267072

約数和(自身を除く): 19065627

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 333, 407, 495, 555, 1103, 1221, 1665, 2035, 3309, 3663, 5515, 6105, 9927, 12133, 16545, 18315, 36399, 40811, 49635, 60665, 109197, 122433, 181995, 204055, 367299, 448921, 545985, 612165, 1346763, 1836495, 2244605, 4040289, 6733815, 20201445]

約数ペア:

[(1, 20201445), (3, 6733815), (5, 4040289), (9, 2244605), (11, 1836495), (15, 1346763), (33, 612165), (37, 545985), (45, 448921), (55, 367299), (99, 204055), (111, 181995), (165, 122433), (185, 109197), (333, 60665), (407, 49635), (495, 40811), (555, 36399), (1103, 18315), (1221, 16545), (1665, 12133), (2035, 9927), (3309, 6105), (3663, 5515)]