20155472895

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{111427}}^1$

素因数の和:111855

約数の個数: 32

約数和(自身を含む): 33374914560

約数和(自身を除く): 13219441665

約数列:

[1, 3, 5, 15, 31, 93, 155, 389, 465, 1167, 1945, 5835, 12059, 36177, 60295, 111427, 180885, 334281, 557135, 1671405, 3454237, 10362711, 17271185, 43345103, 51813555, 130035309, 216725515, 650176545, 1343698193, 4031094579, 6718490965, 20155472895]

約数ペア:

[(1, 20155472895), (3, 6718490965), (5, 4031094579), (15, 1343698193), (31, 650176545), (93, 216725515), (155, 130035309), (389, 51813555), (465, 43345103), (1167, 17271185), (1945, 10362711), (5835, 3454237), (12059, 1671405), (36177, 557135), (60295, 334281), (111427, 180885)]