20179985371

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{45137}}^1$

素因数の和:45208

約数の個数: 32

約数和(自身を含む): 26389480320

約数和(自身を除く): 6209494949

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 1547, 2023, 3757, 4913, 26299, 34391, 45137, 63869, 315959, 447083, 586781, 767329, 4107467, 5371303, 9975277, 13044593, 69826939, 91312151, 169579709, 221758081, 1187057963, 1552306567, 2882855053, 20179985371]

約数ペア:

[(1, 20179985371), (7, 2882855053), (13, 1552306567), (17, 1187057963), (91, 221758081), (119, 169579709), (221, 91312151), (289, 69826939), (1547, 13044593), (2023, 9975277), (3757, 5371303), (4913, 4107467), (26299, 767329), (34391, 586781), (45137, 447083), (63869, 315959)]