20175897616

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1\times {\mathrm{2657}}^1$

素因数の和:3272

約数の個数: 80

約数和(自身を含む): 45088185600

約数和(自身を除く): 24912287984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 449, 604, 898, 1057, 1208, 1796, 2114, 2416, 2657, 3143, 3592, 4228, 5314, 6286, 7184, 8456, 10628, 12572, 16912, 18599, 21256, 25144, 37198, 42512, 50288, 67799, 74396, 135598, 148792, 271196, 297584, 401207, 474593, 542392, 802414, 949186, 1084784, 1192993, 1604828, 1898372, 2385986, 2808449, 3209656, 3796744, 4771972, 5616898, 6419312, 7593488, 8350951, 9543944, 11233796, 16701902, 19087888, 22467592, 33403804, 44935184, 66807608, 133615216, 180141943, 360283886, 720567772, 1260993601, 1441135544, 2521987202, 2882271088, 5043974404, 10087948808, 20175897616]

約数ペア:

[(1, 20175897616), (2, 10087948808), (4, 5043974404), (7, 2882271088), (8, 2521987202), (14, 1441135544), (16, 1260993601), (28, 720567772), (56, 360283886), (112, 180141943), (151, 133615216), (302, 66807608), (449, 44935184), (604, 33403804), (898, 22467592), (1057, 19087888), (1208, 16701902), (1796, 11233796), (2114, 9543944), (2416, 8350951), (2657, 7593488), (3143, 6419312), (3592, 5616898), (4228, 4771972), (5314, 3796744), (6286, 3209656), (7184, 2808449), (8456, 2385986), (10628, 1898372), (12572, 1604828), (16912, 1192993), (18599, 1084784), (21256, 949186), (25144, 802414), (37198, 542392), (42512, 474593), (50288, 401207), (67799, 297584), (74396, 271196), (135598, 148792)]