20417508

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 57629880

約数和(自身を除く): 37212372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 41, 53, 54, 58, 81, 82, 87, 106, 108, 116, 123, 159, 162, 164, 174, 212, 246, 261, 318, 324, 348, 369, 477, 492, 522, 636, 738, 783, 954, 1044, 1107, 1189, 1431, 1476, 1537, 1566, 1908, 2173, 2214, 2349, 2378, 2862, 3074, 3132, 3321, 3567, 4293, 4346, 4428, 4611, 4698, 4756, 5724, 6148, 6519, 6642, 7134, 8586, 8692, 9222, 9396, 10701, 13038, 13284, 13833, 14268, 17172, 18444, 19557, 21402, 26076, 27666, 32103, 39114, 41499, 42804, 55332, 58671, 63017, 64206, 78228, 82998, 96309, 117342, 124497, 126034, 128412, 165996, 176013, 189051, 192618, 234684, 248994, 252068, 352026, 378102, 385236, 497988, 567153, 704052, 756204, 1134306, 1701459, 2268612, 3402918, 5104377, 6805836, 10208754, 20417508]

約数ペア:

[(1, 20417508), (2, 10208754), (3, 6805836), (4, 5104377), (6, 3402918), (9, 2268612), (12, 1701459), (18, 1134306), (27, 756204), (29, 704052), (36, 567153), (41, 497988), (53, 385236), (54, 378102), (58, 352026), (81, 252068), (82, 248994), (87, 234684), (106, 192618), (108, 189051), (116, 176013), (123, 165996), (159, 128412), (162, 126034), (164, 124497), (174, 117342), (212, 96309), (246, 82998), (261, 78228), (318, 64206), (324, 63017), (348, 58671), (369, 55332), (477, 42804), (492, 41499), (522, 39114), (636, 32103), (738, 27666), (783, 26076), (954, 21402), (1044, 19557), (1107, 18444), (1189, 17172), (1431, 14268), (1476, 13833), (1537, 13284), (1566, 13038), (1908, 10701), (2173, 9396), (2214, 9222), (2349, 8692), (2378, 8586), (2862, 7134), (3074, 6642), (3132, 6519), (3321, 6148), (3567, 5724), (4293, 4756), (4346, 4698), (4428, 4611)]