20528983076

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1\times {\mathrm{5351}}^1$

素因数の和:6300

約数の個数: 48

約数和(自身を含む): 41347068672

約数和(自身を除く): 20818085596

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 757, 1267, 1514, 2534, 3028, 5068, 5299, 5351, 10598, 10702, 21196, 21404, 37457, 74914, 137017, 149828, 274034, 548068, 959119, 968531, 1918238, 1937062, 3836476, 3874124, 4050707, 6779717, 8101414, 13559434, 16202828, 27118868, 28354949, 56709898, 113419796, 733177967, 1466355934, 2932711868, 5132245769, 10264491538, 20528983076]

約数ペア:

[(1, 20528983076), (2, 10264491538), (4, 5132245769), (7, 2932711868), (14, 1466355934), (28, 733177967), (181, 113419796), (362, 56709898), (724, 28354949), (757, 27118868), (1267, 16202828), (1514, 13559434), (2534, 8101414), (3028, 6779717), (5068, 4050707), (5299, 3874124), (5351, 3836476), (10598, 1937062), (10702, 1918238), (21196, 968531), (21404, 959119), (37457, 548068), (74914, 274034), (137017, 149828)]