20179933193

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{4937}}^1$

素因数の和:5457

約数の個数: 32

約数和(自身を含む): 24672618240

約数和(自身を除く): 4492685047

約数列:

[1, 7, 19, 73, 133, 421, 511, 1387, 2947, 4937, 7999, 9709, 30733, 34559, 55993, 93803, 215131, 360401, 583927, 656621, 2078477, 2522807, 4087489, 6847619, 14549339, 39491063, 47933333, 151728821, 276437441, 1062101747, 2882847599, 20179933193]

約数ペア:

[(1, 20179933193), (7, 2882847599), (19, 1062101747), (73, 276437441), (133, 151728821), (421, 47933333), (511, 39491063), (1387, 14549339), (2947, 6847619), (4937, 4087489), (7999, 2522807), (9709, 2078477), (30733, 656621), (34559, 583927), (55993, 360401), (93803, 215131)]