20178091476

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{2753}}^1\times {\mathrm{2789}}^1$

素因数の和:5625

約数の個数: 72

約数和(自身を含む): 51741766440

約数和(自身を除く): 31563674964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 2753, 2789, 5506, 5578, 8259, 8367, 11012, 11156, 16518, 16734, 24777, 25101, 33036, 33468, 49554, 50202, 99108, 100404, 200969, 203597, 401938, 407194, 602907, 610791, 803876, 814388, 1205814, 1221582, 1808721, 1832373, 2411628, 2443164, 3617442, 3664746, 7234884, 7329492, 7678117, 15356234, 23034351, 30712468, 46068702, 69103053, 92137404, 138206106, 276412212, 560502541, 1121005082, 1681507623, 2242010164, 3363015246, 5044522869, 6726030492, 10089045738, 20178091476]

約数ペア:

[(1, 20178091476), (2, 10089045738), (3, 6726030492), (4, 5044522869), (6, 3363015246), (9, 2242010164), (12, 1681507623), (18, 1121005082), (36, 560502541), (73, 276412212), (146, 138206106), (219, 92137404), (292, 69103053), (438, 46068702), (657, 30712468), (876, 23034351), (1314, 15356234), (2628, 7678117), (2753, 7329492), (2789, 7234884), (5506, 3664746), (5578, 3617442), (8259, 2443164), (8367, 2411628), (11012, 1832373), (11156, 1808721), (16518, 1221582), (16734, 1205814), (24777, 814388), (25101, 803876), (33036, 610791), (33468, 602907), (49554, 407194), (50202, 401938), (99108, 203597), (100404, 200969)]