20797440318

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1223}}^1\times {\mathrm{2617}}^1$

素因数の和:3886

約数の個数: 72

約数和(自身を含む): 47614655088

約数和(自身を除く): 26817214770

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 1223, 2166, 2446, 2617, 3249, 3669, 5234, 6498, 7338, 7851, 11007, 15702, 22014, 23237, 23553, 46474, 47106, 49723, 69711, 99446, 139422, 149169, 209133, 298338, 418266, 441503, 447507, 883006, 895014, 944737, 1324509, 1889474, 2649018, 2834211, 3200591, 3973527, 5668422, 6401182, 7947054, 8502633, 9601773, 17005266, 19203546, 28805319, 57610638, 60811229, 121622458, 182433687, 364867374, 547301061, 1094602122, 1155413351, 2310826702, 3466240053, 6932480106, 10398720159, 20797440318]

約数ペア:

[(1, 20797440318), (2, 10398720159), (3, 6932480106), (6, 3466240053), (9, 2310826702), (18, 1155413351), (19, 1094602122), (38, 547301061), (57, 364867374), (114, 182433687), (171, 121622458), (342, 60811229), (361, 57610638), (722, 28805319), (1083, 19203546), (1223, 17005266), (2166, 9601773), (2446, 8502633), (2617, 7947054), (3249, 6401182), (3669, 5668422), (5234, 3973527), (6498, 3200591), (7338, 2834211), (7851, 2649018), (11007, 1889474), (15702, 1324509), (22014, 944737), (23237, 895014), (23553, 883006), (46474, 447507), (47106, 441503), (49723, 418266), (69711, 298338), (99446, 209133), (139422, 149169)]