20179918031

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{15217}}^1$

素因数の和:15328

約数の個数: 48

約数和(自身を含む): 26734982400

約数和(自身を除く): 6555064369

約数列:

[1, 7, 13, 19, 59, 91, 133, 169, 247, 413, 767, 1121, 1183, 1729, 3211, 5369, 7847, 9971, 14573, 15217, 22477, 69797, 102011, 106519, 189449, 197821, 289123, 897803, 1326143, 1384747, 2023861, 2571673, 3758599, 6284621, 11671439, 17058257, 18001711, 26310193, 48861787, 81700073, 119407799, 151728707, 221757341, 342032509, 1062100949, 1552301387, 2882845433, 20179918031]

約数ペア:

[(1, 20179918031), (7, 2882845433), (13, 1552301387), (19, 1062100949), (59, 342032509), (91, 221757341), (133, 151728707), (169, 119407799), (247, 81700073), (413, 48861787), (767, 26310193), (1121, 18001711), (1183, 17058257), (1729, 11671439), (3211, 6284621), (5369, 3758599), (7847, 2571673), (9971, 2023861), (14573, 1384747), (15217, 1326143), (22477, 897803), (69797, 289123), (102011, 197821), (106519, 189449)]