20607655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 7261529

約数列:

[1, 5, 17, 23, 83, 85, 115, 127, 391, 415, 635, 1411, 1909, 1955, 2159, 2921, 7055, 9545, 10541, 10795, 14605, 32453, 49657, 52705, 162265, 179197, 242443, 248285, 895985, 1212215, 4121531, 20607655]

約数ペア:

[(1, 20607655), (5, 4121531), (17, 1212215), (23, 895985), (83, 248285), (85, 242443), (115, 179197), (127, 162265), (391, 52705), (415, 49657), (635, 32453), (1411, 14605), (1909, 10795), (1955, 10541), (2159, 9545), (2921, 7055)]