20161864744

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{259577}}^1$

素因数の和:259682

約数の個数: 64

約数和(自身を含む): 46101052800

約数和(自身を除く): 25939188056

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 266, 292, 511, 532, 584, 1022, 1064, 1387, 2044, 2774, 4088, 5548, 9709, 11096, 19418, 38836, 77672, 259577, 519154, 1038308, 1817039, 2076616, 3634078, 4931963, 7268156, 9863926, 14536312, 18949121, 19727852, 34523741, 37898242, 39455704, 69047482, 75796484, 132643847, 138094964, 151592968, 265287694, 276189928, 360033299, 530575388, 720066598, 1061150776, 1440133196, 2520233093, 2880266392, 5040466186, 10080932372, 20161864744]

約数ペア:

[(1, 20161864744), (2, 10080932372), (4, 5040466186), (7, 2880266392), (8, 2520233093), (14, 1440133196), (19, 1061150776), (28, 720066598), (38, 530575388), (56, 360033299), (73, 276189928), (76, 265287694), (133, 151592968), (146, 138094964), (152, 132643847), (266, 75796484), (292, 69047482), (511, 39455704), (532, 37898242), (584, 34523741), (1022, 19727852), (1064, 18949121), (1387, 14536312), (2044, 9863926), (2774, 7268156), (4088, 4931963), (5548, 3634078), (9709, 2076616), (11096, 1817039), (19418, 1038308), (38836, 519154), (77672, 259577)]