20176833605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{145361}}^1$

素因数の和:145477

約数の個数: 32

約数和(自身を含む): 27128037888

約数和(自身を除く): 6951204283

約数列:

[1, 5, 17, 23, 71, 85, 115, 355, 391, 1207, 1633, 1955, 6035, 8165, 27761, 138805, 145361, 726805, 2471137, 3343303, 10320631, 12355685, 16716515, 51603155, 56836151, 175450727, 237374513, 284180755, 877253635, 1186872565, 4035366721, 20176833605]

約数ペア:

[(1, 20176833605), (5, 4035366721), (17, 1186872565), (23, 877253635), (71, 284180755), (85, 237374513), (115, 175450727), (355, 56836151), (391, 51603155), (1207, 16716515), (1633, 12355685), (1955, 10320631), (6035, 3343303), (8165, 2471137), (27761, 726805), (138805, 145361)]