20782116784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7919}}^1$

素因数の和:8019

約数の個数: 160

約数和(自身を含む): 50156789760

約数和(自身を除く): 29374672976

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 37, 44, 52, 62, 74, 88, 104, 124, 143, 148, 176, 208, 248, 286, 296, 341, 403, 407, 481, 496, 572, 592, 682, 806, 814, 962, 1144, 1147, 1364, 1612, 1628, 1924, 2288, 2294, 2728, 3224, 3256, 3848, 4433, 4588, 5291, 5456, 6448, 6512, 7696, 7919, 8866, 9176, 10582, 12617, 14911, 15838, 17732, 18352, 21164, 25234, 29822, 31676, 35464, 42328, 50468, 59644, 63352, 70928, 84656, 87109, 100936, 102947, 119288, 126704, 164021, 174218, 201872, 205894, 238576, 245489, 293003, 328042, 348436, 411788, 490978, 586006, 656084, 696872, 823576, 981956, 1132417, 1172012, 1312168, 1393744, 1647152, 1963912, 2264834, 2344024, 2624336, 2700379, 3191357, 3223033, 3809039, 3927824, 4529668, 4688048, 5400758, 6382714, 6446066, 7618078, 9059336, 9083093, 10801516, 12765428, 12892132, 15236156, 18118672, 18166186, 21603032, 25530856, 25784264, 30472312, 35104927, 36332372, 41899429, 43206064, 51061712, 51568528, 60944624, 70209854, 72664744, 83798858, 99914023, 118080209, 140419708, 145329488, 167597716, 199828046, 236160418, 280839416, 335195432, 399656092, 472320836, 561678832, 670390864, 799312184, 944641672, 1298882299, 1598624368, 1889283344, 2597764598, 5195529196, 10391058392, 20782116784]

約数ペア:

[(1, 20782116784), (2, 10391058392), (4, 5195529196), (8, 2597764598), (11, 1889283344), (13, 1598624368), (16, 1298882299), (22, 944641672), (26, 799312184), (31, 670390864), (37, 561678832), (44, 472320836), (52, 399656092), (62, 335195432), (74, 280839416), (88, 236160418), (104, 199828046), (124, 167597716), (143, 145329488), (148, 140419708), (176, 118080209), (208, 99914023), (248, 83798858), (286, 72664744), (296, 70209854), (341, 60944624), (403, 51568528), (407, 51061712), (481, 43206064), (496, 41899429), (572, 36332372), (592, 35104927), (682, 30472312), (806, 25784264), (814, 25530856), (962, 21603032), (1144, 18166186), (1147, 18118672), (1364, 15236156), (1612, 12892132), (1628, 12765428), (1924, 10801516), (2288, 9083093), (2294, 9059336), (2728, 7618078), (3224, 6446066), (3256, 6382714), (3848, 5400758), (4433, 4688048), (4588, 4529668), (5291, 3927824), (5456, 3809039), (6448, 3223033), (6512, 3191357), (7696, 2700379), (7919, 2624336), (8866, 2344024), (9176, 2264834), (10582, 1963912), (12617, 1647152), (14911, 1393744), (15838, 1312168), (17732, 1172012), (18352, 1132417), (21164, 981956), (25234, 823576), (29822, 696872), (31676, 656084), (35464, 586006), (42328, 490978), (50468, 411788), (59644, 348436), (63352, 328042), (70928, 293003), (84656, 245489), (87109, 238576), (100936, 205894), (102947, 201872), (119288, 174218), (126704, 164021)]