20920093796

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{19163}}^1$

素因数の和:19608

約数の個数: 48

約数和(自身を含む): 42309206016

約数和(自身を除く): 21389112220

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 307, 508, 614, 889, 1228, 1778, 2149, 3556, 4298, 8596, 19163, 38326, 38989, 76652, 77978, 134141, 155956, 268282, 272923, 536564, 545846, 1091692, 2433701, 4867402, 5883041, 9734804, 11766082, 17035907, 23532164, 34071814, 41181287, 68143628, 82362574, 164725148, 747146207, 1494292414, 2988584828, 5230023449, 10460046898, 20920093796]

約数ペア:

[(1, 20920093796), (2, 10460046898), (4, 5230023449), (7, 2988584828), (14, 1494292414), (28, 747146207), (127, 164725148), (254, 82362574), (307, 68143628), (508, 41181287), (614, 34071814), (889, 23532164), (1228, 17035907), (1778, 11766082), (2149, 9734804), (3556, 5883041), (4298, 4867402), (8596, 2433701), (19163, 1091692), (38326, 545846), (38989, 536564), (76652, 272923), (77978, 268282), (134141, 155956)]