20161159181785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{351361}}^1$

素因数の和:351754

約数の個数: 64

約数和(自身を含む): 26753613410304

約数和(自身を除く): 6592454228519

約数列:

[1, 5, 17, 47, 53, 85, 235, 265, 271, 799, 901, 1355, 2491, 3995, 4505, 4607, 12455, 12737, 14363, 23035, 42347, 63685, 71815, 211735, 216529, 244171, 351361, 675061, 1082645, 1220855, 1756805, 3375305, 5973137, 11476037, 16513967, 18622133, 29865685, 57380185, 82569835, 93110665, 95218831, 280737439, 316576261, 476094155, 875240251, 1403687195, 1582881305, 1618720127, 4376201255, 4475285057, 5046598043, 8093600635, 14879084267, 22376425285, 25232990215, 74395421335, 76079845969, 85792166731, 237190108021, 380399229845, 428960833655, 1185950540105, 4032231836357, 20161159181785]

約数ペア:

[(1, 20161159181785), (5, 4032231836357), (17, 1185950540105), (47, 428960833655), (53, 380399229845), (85, 237190108021), (235, 85792166731), (265, 76079845969), (271, 74395421335), (799, 25232990215), (901, 22376425285), (1355, 14879084267), (2491, 8093600635), (3995, 5046598043), (4505, 4475285057), (4607, 4376201255), (12455, 1618720127), (12737, 1582881305), (14363, 1403687195), (23035, 875240251), (42347, 476094155), (63685, 316576261), (71815, 280737439), (211735, 95218831), (216529, 93110665), (244171, 82569835), (351361, 57380185), (675061, 29865685), (1082645, 18622133), (1220855, 16513967), (1756805, 11476037), (3375305, 5973137)]