20907144

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 67392000

約数和(自身を除く): 46484856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 19, 24, 29, 31, 34, 36, 38, 51, 57, 58, 62, 68, 72, 76, 87, 93, 102, 114, 116, 124, 136, 152, 153, 171, 174, 186, 204, 228, 232, 248, 261, 279, 306, 323, 342, 348, 372, 408, 456, 493, 522, 527, 551, 558, 589, 612, 646, 684, 696, 744, 899, 969, 986, 1044, 1054, 1102, 1116, 1178, 1224, 1292, 1368, 1479, 1581, 1653, 1767, 1798, 1938, 1972, 2088, 2108, 2204, 2232, 2356, 2584, 2697, 2907, 2958, 3162, 3306, 3534, 3596, 3876, 3944, 4216, 4408, 4437, 4712, 4743, 4959, 5301, 5394, 5814, 5916, 6324, 6612, 7068, 7192, 7752, 8091, 8874, 9367, 9486, 9918, 10013, 10602, 10788, 11628, 11832, 12648, 13224, 14136, 15283, 16182, 17081, 17748, 18734, 18972, 19836, 20026, 21204, 21576, 23256, 28101, 30039, 30566, 32364, 34162, 35496, 37468, 37944, 39672, 40052, 42408, 45849, 51243, 56202, 60078, 61132, 64728, 68324, 74936, 80104, 84303, 90117, 91698, 102486, 112404, 120156, 122264, 136648, 137547, 153729, 168606, 180234, 183396, 204972, 224808, 240312, 275094, 290377, 307458, 337212, 360468, 366792, 409944, 550188, 580754, 614916, 674424, 720936, 871131, 1100376, 1161508, 1229832, 1742262, 2323016, 2613393, 3484524, 5226786, 6969048, 10453572, 20907144]

約数ペア:

[(1, 20907144), (2, 10453572), (3, 6969048), (4, 5226786), (6, 3484524), (8, 2613393), (9, 2323016), (12, 1742262), (17, 1229832), (18, 1161508), (19, 1100376), (24, 871131), (29, 720936), (31, 674424), (34, 614916), (36, 580754), (38, 550188), (51, 409944), (57, 366792), (58, 360468), (62, 337212), (68, 307458), (72, 290377), (76, 275094), (87, 240312), (93, 224808), (102, 204972), (114, 183396), (116, 180234), (124, 168606), (136, 153729), (152, 137547), (153, 136648), (171, 122264), (174, 120156), (186, 112404), (204, 102486), (228, 91698), (232, 90117), (248, 84303), (261, 80104), (279, 74936), (306, 68324), (323, 64728), (342, 61132), (348, 60078), (372, 56202), (408, 51243), (456, 45849), (493, 42408), (522, 40052), (527, 39672), (551, 37944), (558, 37468), (589, 35496), (612, 34162), (646, 32364), (684, 30566), (696, 30039), (744, 28101), (899, 23256), (969, 21576), (986, 21204), (1044, 20026), (1054, 19836), (1102, 18972), (1116, 18734), (1178, 17748), (1224, 17081), (1292, 16182), (1368, 15283), (1479, 14136), (1581, 13224), (1653, 12648), (1767, 11832), (1798, 11628), (1938, 10788), (1972, 10602), (2088, 10013), (2108, 9918), (2204, 9486), (2232, 9367), (2356, 8874), (2584, 8091), (2697, 7752), (2907, 7192), (2958, 7068), (3162, 6612), (3306, 6324), (3534, 5916), (3596, 5814), (3876, 5394), (3944, 5301), (4216, 4959), (4408, 4743), (4437, 4712)]