20178631808

素因数分解:

$2^7\times {\mathrm{107}}^1\times {\mathrm{1117}}^1\times {\mathrm{1319}}^1$

素因数の和:2557

約数の個数: 64

約数和(自身を含む): 40642430400

約数和(自身を除く): 20463798592

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 428, 856, 1117, 1319, 1712, 2234, 2638, 3424, 4468, 5276, 6848, 8936, 10552, 13696, 17872, 21104, 35744, 42208, 71488, 84416, 119519, 141133, 142976, 168832, 239038, 282266, 478076, 564532, 956152, 1129064, 1473323, 1912304, 2258128, 2946646, 3824608, 4516256, 5893292, 7649216, 9032512, 11786584, 15298432, 18065024, 23573168, 47146336, 94292672, 157645561, 188585344, 315291122, 630582244, 1261164488, 2522328976, 5044657952, 10089315904, 20178631808]

約数ペア:

[(1, 20178631808), (2, 10089315904), (4, 5044657952), (8, 2522328976), (16, 1261164488), (32, 630582244), (64, 315291122), (107, 188585344), (128, 157645561), (214, 94292672), (428, 47146336), (856, 23573168), (1117, 18065024), (1319, 15298432), (1712, 11786584), (2234, 9032512), (2638, 7649216), (3424, 5893292), (4468, 4516256), (5276, 3824608), (6848, 2946646), (8936, 2258128), (10552, 1912304), (13696, 1473323), (17872, 1129064), (21104, 956152), (35744, 564532), (42208, 478076), (71488, 282266), (84416, 239038), (119519, 168832), (141133, 142976)]