20795996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 40943616

約数和(自身を除く): 20147620

約数列:

[1, 2, 4, 13, 26, 47, 52, 67, 94, 127, 134, 188, 254, 268, 508, 611, 871, 1222, 1651, 1742, 2444, 3149, 3302, 3484, 5969, 6298, 6604, 8509, 11938, 12596, 17018, 23876, 34036, 40937, 77597, 81874, 110617, 155194, 163748, 221234, 310388, 399923, 442468, 799846, 1599692, 5198999, 10397998, 20795996]

約数ペア:

[(1, 20795996), (2, 10397998), (4, 5198999), (13, 1599692), (26, 799846), (47, 442468), (52, 399923), (67, 310388), (94, 221234), (127, 163748), (134, 155194), (188, 110617), (254, 81874), (268, 77597), (508, 40937), (611, 34036), (871, 23876), (1222, 17018), (1651, 12596), (1742, 11938), (2444, 8509), (3149, 6604), (3302, 6298), (3484, 5969)]