20993898016

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{17627}}^1$

素因数の和:18066

約数の個数: 96

約数和(自身を含む): 50997098880

約数和(自身を除く): 30003200864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 409, 416, 728, 818, 1456, 1636, 2863, 2912, 3272, 5317, 5726, 6544, 10634, 11452, 13088, 17627, 21268, 22904, 35254, 37219, 42536, 45808, 70508, 74438, 85072, 91616, 123389, 141016, 148876, 170144, 229151, 246778, 282032, 297752, 458302, 493556, 564064, 595504, 916604, 987112, 1191008, 1604057, 1833208, 1974224, 3208114, 3666416, 3948448, 6416228, 7209443, 7332832, 12832456, 14418886, 25664912, 28837772, 50466101, 51329824, 57675544, 93722759, 100932202, 115351088, 187445518, 201864404, 230702176, 374891036, 403728808, 656059313, 749782072, 807457616, 1312118626, 1499564144, 1614915232, 2624237252, 2999128288, 5248474504, 10496949008, 20993898016]

約数ペア:

[(1, 20993898016), (2, 10496949008), (4, 5248474504), (7, 2999128288), (8, 2624237252), (13, 1614915232), (14, 1499564144), (16, 1312118626), (26, 807457616), (28, 749782072), (32, 656059313), (52, 403728808), (56, 374891036), (91, 230702176), (104, 201864404), (112, 187445518), (182, 115351088), (208, 100932202), (224, 93722759), (364, 57675544), (409, 51329824), (416, 50466101), (728, 28837772), (818, 25664912), (1456, 14418886), (1636, 12832456), (2863, 7332832), (2912, 7209443), (3272, 6416228), (5317, 3948448), (5726, 3666416), (6544, 3208114), (10634, 1974224), (11452, 1833208), (13088, 1604057), (17627, 1191008), (21268, 987112), (22904, 916604), (35254, 595504), (37219, 564064), (42536, 493556), (45808, 458302), (70508, 297752), (74438, 282032), (85072, 246778), (91616, 229151), (123389, 170144), (141016, 148876)]