20804076468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{72481}}^1$

素因数の和:72582

約数の個数: 144

約数和(自身を含む): 64586680704

約数和(自身を除く): 43782604236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 67, 68, 84, 102, 119, 126, 134, 153, 201, 204, 238, 252, 268, 306, 357, 402, 469, 476, 603, 612, 714, 804, 938, 1071, 1139, 1206, 1407, 1428, 1876, 2142, 2278, 2412, 2814, 3417, 4221, 4284, 4556, 5628, 6834, 7973, 8442, 10251, 13668, 15946, 16884, 20502, 23919, 31892, 41004, 47838, 71757, 72481, 95676, 143514, 144962, 217443, 287028, 289924, 434886, 507367, 652329, 869772, 1014734, 1232177, 1304658, 1522101, 2029468, 2464354, 2609316, 3044202, 3696531, 4566303, 4856227, 4928708, 6088404, 7393062, 8625239, 9132606, 9712454, 11089593, 14568681, 14786124, 17250478, 18265212, 19424908, 22179186, 25875717, 29137362, 33993589, 34500956, 43706043, 44358372, 51751434, 58274724, 67987178, 77627151, 82555859, 87412086, 101980767, 103502868, 135974356, 155254302, 165111718, 174824172, 203961534, 247667577, 305942301, 310508604, 330223436, 407923068, 495335154, 577891013, 611884602, 743002731, 990670308, 1155782026, 1223769204, 1486005462, 1733673039, 2311564052, 2972010924, 3467346078, 5201019117, 6934692156, 10402038234, 20804076468]

約数ペア:

[(1, 20804076468), (2, 10402038234), (3, 6934692156), (4, 5201019117), (6, 3467346078), (7, 2972010924), (9, 2311564052), (12, 1733673039), (14, 1486005462), (17, 1223769204), (18, 1155782026), (21, 990670308), (28, 743002731), (34, 611884602), (36, 577891013), (42, 495335154), (51, 407923068), (63, 330223436), (67, 310508604), (68, 305942301), (84, 247667577), (102, 203961534), (119, 174824172), (126, 165111718), (134, 155254302), (153, 135974356), (201, 103502868), (204, 101980767), (238, 87412086), (252, 82555859), (268, 77627151), (306, 67987178), (357, 58274724), (402, 51751434), (469, 44358372), (476, 43706043), (603, 34500956), (612, 33993589), (714, 29137362), (804, 25875717), (938, 22179186), (1071, 19424908), (1139, 18265212), (1206, 17250478), (1407, 14786124), (1428, 14568681), (1876, 11089593), (2142, 9712454), (2278, 9132606), (2412, 8625239), (2814, 7393062), (3417, 6088404), (4221, 4928708), (4284, 4856227), (4556, 4566303), (5628, 3696531), (6834, 3044202), (7973, 2609316), (8442, 2464354), (10251, 2029468), (13668, 1522101), (15946, 1304658), (16884, 1232177), (20502, 1014734), (23919, 869772), (31892, 652329), (41004, 507367), (47838, 434886), (71757, 289924), (72481, 287028), (95676, 217443), (143514, 144962)]