20197112660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2711}}^1\times {\mathrm{2719}}^1$

素因数の和:5576

約数の個数: 48

約数和(自身を含む): 42755005440

約数和(自身を除く): 22557892780

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2711, 2719, 2740, 5422, 5438, 10844, 10876, 13555, 13595, 27110, 27190, 54220, 54380, 371407, 372503, 742814, 745006, 1485628, 1490012, 1857035, 1862515, 3714070, 3725030, 7371209, 7428140, 7450060, 14742418, 29484836, 36856045, 73712090, 147424180, 1009855633, 2019711266, 4039422532, 5049278165, 10098556330, 20197112660]

約数ペア:

[(1, 20197112660), (2, 10098556330), (4, 5049278165), (5, 4039422532), (10, 2019711266), (20, 1009855633), (137, 147424180), (274, 73712090), (548, 36856045), (685, 29484836), (1370, 14742418), (2711, 7450060), (2719, 7428140), (2740, 7371209), (5422, 3725030), (5438, 3714070), (10844, 1862515), (10876, 1857035), (13555, 1490012), (13595, 1485628), (27110, 745006), (27190, 742814), (54220, 372503), (54380, 371407)]