20542236561

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1\times {\mathrm{1153}}^1$

素因数の和:1771

約数の個数: 96

約数和(自身を含む): 37882810368

約数和(自身を除く): 17340573807

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 547, 693, 987, 1153, 1551, 1641, 2961, 3459, 3619, 3829, 4653, 4923, 6017, 8071, 10377, 10857, 11487, 12683, 18051, 24213, 25709, 32571, 34461, 38049, 42119, 54153, 54191, 72639, 77127, 88781, 114147, 126357, 162573, 179963, 231381, 266343, 282799, 379071, 379337, 487719, 539889, 596101, 630691, 799029, 848397, 1138011, 1619667, 1788303, 1892073, 1979593, 2545191, 3414033, 4172707, 4414837, 5364909, 5676219, 5938779, 6937601, 12518121, 13244511, 17816337, 20812803, 29642477, 37554363, 39733533, 48563207, 62438409, 88927431, 145689621, 207497339, 266782293, 326067247, 437068863, 622492017, 978201741, 1867476051, 2282470729, 2934605223, 6847412187, 20542236561]

約数ペア:

[(1, 20542236561), (3, 6847412187), (7, 2934605223), (9, 2282470729), (11, 1867476051), (21, 978201741), (33, 622492017), (47, 437068863), (63, 326067247), (77, 266782293), (99, 207497339), (141, 145689621), (231, 88927431), (329, 62438409), (423, 48563207), (517, 39733533), (547, 37554363), (693, 29642477), (987, 20812803), (1153, 17816337), (1551, 13244511), (1641, 12518121), (2961, 6937601), (3459, 5938779), (3619, 5676219), (3829, 5364909), (4653, 4414837), (4923, 4172707), (6017, 3414033), (8071, 2545191), (10377, 1979593), (10857, 1892073), (11487, 1788303), (12683, 1619667), (18051, 1138011), (24213, 848397), (25709, 799029), (32571, 630691), (34461, 596101), (38049, 539889), (42119, 487719), (54153, 379337), (54191, 379071), (72639, 282799), (77127, 266343), (88781, 231381), (114147, 179963), (126357, 162573)]