20199132005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1\times {\mathrm{3407}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 26300381184

約数和(自身を除く): 6101249179

約数列:

[1, 5, 13, 65, 197, 463, 985, 2315, 2561, 3407, 6019, 12805, 17035, 30095, 44291, 91211, 221455, 456055, 671179, 1185743, 1577441, 3355895, 5928715, 7887205, 8725327, 20506733, 43626635, 102533665, 310755877, 1553779385, 4039826401, 20199132005]

約数ペア:

[(1, 20199132005), (5, 4039826401), (13, 1553779385), (65, 310755877), (197, 102533665), (463, 43626635), (985, 20506733), (2315, 8725327), (2561, 7887205), (3407, 5928715), (6019, 3355895), (12805, 1577441), (17035, 1185743), (30095, 671179), (44291, 456055), (91211, 221455)]