20941796162

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1\times {\mathrm{1129}}^1$

素因数の和:1803

約数の個数: 64

約数和(自身を含む): 38174112000

約数和(自身を除く): 17232315838

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 509, 959, 1018, 1129, 1918, 2258, 2603, 3563, 5206, 7126, 7903, 9671, 15806, 18221, 19342, 21451, 36442, 42902, 67697, 69733, 135394, 139466, 150157, 154673, 300314, 309346, 488131, 574661, 976262, 1082711, 1149322, 1324927, 2165422, 2649854, 2938787, 4022627, 5877574, 8045254, 9274489, 10918559, 18548978, 20571509, 21837118, 41143018, 76429913, 78728557, 152859826, 157457114, 551099899, 1102199798, 1495842583, 2991685166, 10470898081, 20941796162]

約数ペア:

[(1, 20941796162), (2, 10470898081), (7, 2991685166), (14, 1495842583), (19, 1102199798), (38, 551099899), (133, 157457114), (137, 152859826), (266, 78728557), (274, 76429913), (509, 41143018), (959, 21837118), (1018, 20571509), (1129, 18548978), (1918, 10918559), (2258, 9274489), (2603, 8045254), (3563, 5877574), (5206, 4022627), (7126, 2938787), (7903, 2649854), (9671, 2165422), (15806, 1324927), (18221, 1149322), (19342, 1082711), (21451, 976262), (36442, 574661), (42902, 488131), (67697, 309346), (69733, 300314), (135394, 154673), (139466, 150157)]