20658834

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 56770560

約数和(自身を除く): 36111726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 41, 42, 43, 54, 62, 63, 82, 86, 93, 123, 126, 129, 186, 189, 217, 246, 258, 279, 287, 301, 369, 378, 387, 434, 558, 574, 602, 651, 738, 774, 837, 861, 903, 1107, 1161, 1271, 1302, 1333, 1674, 1722, 1763, 1806, 1953, 2214, 2322, 2542, 2583, 2666, 2709, 3526, 3813, 3906, 3999, 5166, 5289, 5418, 5859, 7626, 7749, 7998, 8127, 8897, 9331, 10578, 11439, 11718, 11997, 12341, 15498, 15867, 16254, 17794, 18662, 22878, 23994, 24682, 26691, 27993, 31734, 34317, 35991, 37023, 47601, 53382, 54653, 55986, 68634, 71982, 74046, 80073, 83979, 95202, 109306, 111069, 160146, 163959, 167958, 222138, 240219, 251937, 327918, 333207, 382571, 480438, 491877, 503874, 666414, 765142, 983754, 1147713, 1475631, 2295426, 2951262, 3443139, 6886278, 10329417, 20658834]

約数ペア:

[(1, 20658834), (2, 10329417), (3, 6886278), (6, 3443139), (7, 2951262), (9, 2295426), (14, 1475631), (18, 1147713), (21, 983754), (27, 765142), (31, 666414), (41, 503874), (42, 491877), (43, 480438), (54, 382571), (62, 333207), (63, 327918), (82, 251937), (86, 240219), (93, 222138), (123, 167958), (126, 163959), (129, 160146), (186, 111069), (189, 109306), (217, 95202), (246, 83979), (258, 80073), (279, 74046), (287, 71982), (301, 68634), (369, 55986), (378, 54653), (387, 53382), (434, 47601), (558, 37023), (574, 35991), (602, 34317), (651, 31734), (738, 27993), (774, 26691), (837, 24682), (861, 23994), (903, 22878), (1107, 18662), (1161, 17794), (1271, 16254), (1302, 15867), (1333, 15498), (1674, 12341), (1722, 11997), (1763, 11718), (1806, 11439), (1953, 10578), (2214, 9331), (2322, 8897), (2542, 8127), (2583, 7998), (2666, 7749), (2709, 7626), (3526, 5859), (3813, 5418), (3906, 5289), (3999, 5166)]