20161668164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{2179}}^1$

素因数の和:2481

約数の個数: 96

約数和(自身を含む): 41347031040

約数和(自身を除く): 21185362876

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 223, 253, 446, 451, 506, 892, 902, 943, 1012, 1804, 1886, 2179, 2453, 3772, 4358, 4906, 5129, 8716, 9143, 9812, 10258, 10373, 18286, 20516, 20746, 23969, 36572, 41492, 47938, 50117, 56419, 89339, 95876, 100234, 100573, 112838, 178678, 200468, 201146, 210289, 225676, 357356, 402292, 420578, 485917, 551287, 841156, 971834, 982729, 1102574, 1943668, 1965458, 2054797, 2205148, 2313179, 3930916, 4109594, 4626358, 5345087, 8219188, 9252716, 10690174, 11176091, 19922597, 21380348, 22352182, 22602767, 39845194, 44704364, 45205534, 79690388, 90411068, 122937001, 219148567, 245874002, 438297134, 458219731, 491748004, 876594268, 916439462, 1832878924, 5040417041, 10080834082, 20161668164]

約数ペア:

[(1, 20161668164), (2, 10080834082), (4, 5040417041), (11, 1832878924), (22, 916439462), (23, 876594268), (41, 491748004), (44, 458219731), (46, 438297134), (82, 245874002), (92, 219148567), (164, 122937001), (223, 90411068), (253, 79690388), (446, 45205534), (451, 44704364), (506, 39845194), (892, 22602767), (902, 22352182), (943, 21380348), (1012, 19922597), (1804, 11176091), (1886, 10690174), (2179, 9252716), (2453, 8219188), (3772, 5345087), (4358, 4626358), (4906, 4109594), (5129, 3930916), (8716, 2313179), (9143, 2205148), (9812, 2054797), (10258, 1965458), (10373, 1943668), (18286, 1102574), (20516, 982729), (20746, 971834), (23969, 841156), (36572, 551287), (41492, 485917), (47938, 420578), (50117, 402292), (56419, 357356), (89339, 225676), (95876, 210289), (100234, 201146), (100573, 200468), (112838, 178678)]