20199492068

素因数分解:

$2^2\times 7^2\times {\mathrm{1553}}^1\times {\mathrm{66361}}^1$

素因数の和:67932

約数の個数: 36

約数和(自身を含む): 41147492652

約数和(自身を除く): 20948000584

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1553, 3106, 6212, 10871, 21742, 43484, 66361, 76097, 132722, 152194, 265444, 304388, 464527, 929054, 1858108, 3251689, 6503378, 13006756, 103058633, 206117266, 412234532, 721410431, 1442820862, 2885641724, 5049873017, 10099746034, 20199492068]

約数ペア:

[(1, 20199492068), (2, 10099746034), (4, 5049873017), (7, 2885641724), (14, 1442820862), (28, 721410431), (49, 412234532), (98, 206117266), (196, 103058633), (1553, 13006756), (3106, 6503378), (6212, 3251689), (10871, 1858108), (21742, 929054), (43484, 464527), (66361, 304388), (76097, 265444), (132722, 152194)]