20840842946

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:712

約数の個数: 128

約数和(自身を含む): 41969664000

約数和(自身を除く): 21128821054

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 109, 119, 154, 187, 199, 218, 238, 367, 374, 398, 734, 763, 1199, 1309, 1393, 1526, 1853, 2189, 2398, 2569, 2618, 2786, 3383, 3706, 4037, 4378, 5138, 6239, 6766, 8074, 8393, 12478, 12971, 15323, 16786, 20383, 21691, 23681, 25942, 28259, 30646, 37213, 40003, 40766, 43382, 43673, 47362, 56518, 68629, 73033, 74426, 80006, 87346, 137258, 142681, 146066, 151837, 238601, 260491, 280021, 285362, 303674, 368747, 440033, 477202, 480403, 511231, 520982, 560042, 680051, 737494, 803363, 880066, 960806, 1022462, 1241561, 1360102, 1606726, 1670207, 2483122, 2581229, 3080231, 3340414, 4056217, 4760357, 5162458, 5623541, 6160462, 7480561, 7960597, 8112434, 8690927, 9520714, 11247082, 13657171, 14961122, 15921194, 17381854, 27314342, 28393519, 52363927, 55724179, 56787038, 87566567, 95600197, 104727854, 111448358, 135330149, 175133134, 191200394, 270660298, 612965969, 947311043, 1225931938, 1488631639, 1894622086, 2977263278, 10420421473, 20840842946]

約数ペア:

[(1, 20840842946), (2, 10420421473), (7, 2977263278), (11, 1894622086), (14, 1488631639), (17, 1225931938), (22, 947311043), (34, 612965969), (77, 270660298), (109, 191200394), (119, 175133134), (154, 135330149), (187, 111448358), (199, 104727854), (218, 95600197), (238, 87566567), (367, 56787038), (374, 55724179), (398, 52363927), (734, 28393519), (763, 27314342), (1199, 17381854), (1309, 15921194), (1393, 14961122), (1526, 13657171), (1853, 11247082), (2189, 9520714), (2398, 8690927), (2569, 8112434), (2618, 7960597), (2786, 7480561), (3383, 6160462), (3706, 5623541), (4037, 5162458), (4378, 4760357), (5138, 4056217), (6239, 3340414), (6766, 3080231), (8074, 2581229), (8393, 2483122), (12478, 1670207), (12971, 1606726), (15323, 1360102), (16786, 1241561), (20383, 1022462), (21691, 960806), (23681, 880066), (25942, 803363), (28259, 737494), (30646, 680051), (37213, 560042), (40003, 520982), (40766, 511231), (43382, 480403), (43673, 477202), (47362, 440033), (56518, 368747), (68629, 303674), (73033, 285362), (74426, 280021), (80006, 260491), (87346, 238601), (137258, 151837), (142681, 146066)]