20784426498

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4519}}^1$

素因数の和:4662

約数の個数: 160

約数和(自身を含む): 53160624000

約数和(自身を除く): 32376197502

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 81, 87, 89, 99, 162, 174, 178, 198, 261, 267, 297, 319, 522, 534, 594, 638, 783, 801, 891, 957, 979, 1566, 1602, 1782, 1914, 1958, 2349, 2403, 2581, 2871, 2937, 4519, 4698, 4806, 5162, 5742, 5874, 7209, 7743, 8613, 8811, 9038, 13557, 14418, 15486, 17226, 17622, 23229, 25839, 26433, 27114, 28391, 40671, 46458, 49709, 51678, 52866, 56782, 69687, 79299, 81342, 85173, 99418, 122013, 131051, 139374, 149127, 158598, 170346, 209061, 244026, 255519, 262102, 298254, 366039, 393153, 402191, 418122, 447381, 511038, 732078, 766557, 786306, 804382, 894762, 1179459, 1206573, 1342143, 1441561, 1533114, 2299671, 2358918, 2413146, 2684286, 2883122, 3538377, 3619719, 4026429, 4324683, 4424101, 4599342, 7076754, 7239438, 8052858, 8649366, 8848202, 10615131, 10859157, 11663539, 12974049, 13272303, 21230262, 21718314, 23327078, 25948098, 26544606, 32577471, 34990617, 38922147, 39816909, 65154942, 69981234, 77844294, 79633818, 104971851, 116766441, 119450727, 128298929, 209943702, 233532882, 238901454, 256597858, 314915553, 358352181, 384896787, 629831106, 716704362, 769793574, 944746659, 1154690361, 1889493318, 2309380722, 3464071083, 6928142166, 10392213249, 20784426498]

約数ペア:

[(1, 20784426498), (2, 10392213249), (3, 6928142166), (6, 3464071083), (9, 2309380722), (11, 1889493318), (18, 1154690361), (22, 944746659), (27, 769793574), (29, 716704362), (33, 629831106), (54, 384896787), (58, 358352181), (66, 314915553), (81, 256597858), (87, 238901454), (89, 233532882), (99, 209943702), (162, 128298929), (174, 119450727), (178, 116766441), (198, 104971851), (261, 79633818), (267, 77844294), (297, 69981234), (319, 65154942), (522, 39816909), (534, 38922147), (594, 34990617), (638, 32577471), (783, 26544606), (801, 25948098), (891, 23327078), (957, 21718314), (979, 21230262), (1566, 13272303), (1602, 12974049), (1782, 11663539), (1914, 10859157), (1958, 10615131), (2349, 8848202), (2403, 8649366), (2581, 8052858), (2871, 7239438), (2937, 7076754), (4519, 4599342), (4698, 4424101), (4806, 4324683), (5162, 4026429), (5742, 3619719), (5874, 3538377), (7209, 2883122), (7743, 2684286), (8613, 2413146), (8811, 2358918), (9038, 2299671), (13557, 1533114), (14418, 1441561), (15486, 1342143), (17226, 1206573), (17622, 1179459), (23229, 894762), (25839, 804382), (26433, 786306), (27114, 766557), (28391, 732078), (40671, 511038), (46458, 447381), (49709, 418122), (51678, 402191), (52866, 393153), (56782, 366039), (69687, 298254), (79299, 262102), (81342, 255519), (85173, 244026), (99418, 209061), (122013, 170346), (131051, 158598), (139374, 149127)]