20207628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 43477812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 53, 63, 68, 84, 89, 102, 106, 119, 126, 153, 159, 178, 204, 212, 238, 252, 267, 306, 318, 356, 357, 371, 476, 477, 534, 612, 623, 636, 714, 742, 801, 901, 954, 1068, 1071, 1113, 1246, 1428, 1484, 1513, 1602, 1802, 1869, 1908, 2142, 2226, 2492, 2703, 3026, 3204, 3339, 3604, 3738, 4284, 4452, 4539, 4717, 5406, 5607, 6052, 6307, 6678, 7476, 8109, 9078, 9434, 10591, 10812, 11214, 12614, 13356, 13617, 14151, 16218, 18156, 18868, 18921, 21182, 22428, 25228, 27234, 28302, 31773, 32436, 33019, 37842, 42364, 42453, 54468, 56604, 56763, 63546, 66038, 75684, 80189, 84906, 95319, 99057, 113526, 127092, 132076, 160378, 169812, 190638, 198114, 227052, 240567, 297171, 320756, 381276, 396228, 481134, 561323, 594342, 721701, 962268, 1122646, 1188684, 1443402, 1683969, 2245292, 2886804, 3367938, 5051907, 6735876, 10103814, 20207628]

約数ペア:

[(1, 20207628), (2, 10103814), (3, 6735876), (4, 5051907), (6, 3367938), (7, 2886804), (9, 2245292), (12, 1683969), (14, 1443402), (17, 1188684), (18, 1122646), (21, 962268), (28, 721701), (34, 594342), (36, 561323), (42, 481134), (51, 396228), (53, 381276), (63, 320756), (68, 297171), (84, 240567), (89, 227052), (102, 198114), (106, 190638), (119, 169812), (126, 160378), (153, 132076), (159, 127092), (178, 113526), (204, 99057), (212, 95319), (238, 84906), (252, 80189), (267, 75684), (306, 66038), (318, 63546), (356, 56763), (357, 56604), (371, 54468), (476, 42453), (477, 42364), (534, 37842), (612, 33019), (623, 32436), (636, 31773), (714, 28302), (742, 27234), (801, 25228), (901, 22428), (954, 21182), (1068, 18921), (1071, 18868), (1113, 18156), (1246, 16218), (1428, 14151), (1484, 13617), (1513, 13356), (1602, 12614), (1802, 11214), (1869, 10812), (1908, 10591), (2142, 9434), (2226, 9078), (2492, 8109), (2703, 7476), (3026, 6678), (3204, 6307), (3339, 6052), (3604, 5607), (3738, 5406), (4284, 4717), (4452, 4539)]