20260642857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{61487}}^1$

素因数の和:61598

約数の個数: 64

約数和(自身を含む): 35700424704

約数和(自身を除く): 15439781847

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 71, 91, 119, 213, 221, 273, 357, 497, 663, 923, 1207, 1491, 1547, 2769, 3621, 4641, 6461, 8449, 15691, 19383, 25347, 47073, 61487, 109837, 184461, 329511, 430409, 799331, 1045279, 1291227, 2397993, 3135837, 4365577, 5595317, 7316953, 13096731, 13588627, 16785951, 21950859, 30559039, 40765881, 56752501, 74214809, 91677117, 95120389, 170257503, 222644427, 285361167, 397267507, 519503663, 964792517, 1191802521, 1558510989, 2894377551, 6753547619, 20260642857]

約数ペア:

[(1, 20260642857), (3, 6753547619), (7, 2894377551), (13, 1558510989), (17, 1191802521), (21, 964792517), (39, 519503663), (51, 397267507), (71, 285361167), (91, 222644427), (119, 170257503), (213, 95120389), (221, 91677117), (273, 74214809), (357, 56752501), (497, 40765881), (663, 30559039), (923, 21950859), (1207, 16785951), (1491, 13588627), (1547, 13096731), (2769, 7316953), (3621, 5595317), (4641, 4365577), (6461, 3135837), (8449, 2397993), (15691, 1291227), (19383, 1045279), (25347, 799331), (47073, 430409), (61487, 329511), (109837, 184461)]