20512382968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1\times {\mathrm{11447}}^1$

素因数の和:14380

約数の個数: 64

約数和(自身を含む): 47971699200

約数和(自身を除く): 27459316232

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 2909, 5818, 11447, 11636, 20363, 22894, 23272, 31999, 40726, 45788, 63998, 80129, 81452, 91576, 125917, 127996, 160258, 162904, 223993, 251834, 255992, 320516, 447986, 503668, 641032, 881419, 895972, 1007336, 1762838, 1791944, 3525676, 7051352, 33299323, 66598646, 133197292, 233095261, 266394584, 366292553, 466190522, 732585106, 932381044, 1465170212, 1864762088, 2564047871, 2930340424, 5128095742, 10256191484, 20512382968]

約数ペア:

[(1, 20512382968), (2, 10256191484), (4, 5128095742), (7, 2930340424), (8, 2564047871), (11, 1864762088), (14, 1465170212), (22, 932381044), (28, 732585106), (44, 466190522), (56, 366292553), (77, 266394584), (88, 233095261), (154, 133197292), (308, 66598646), (616, 33299323), (2909, 7051352), (5818, 3525676), (11447, 1791944), (11636, 1762838), (20363, 1007336), (22894, 895972), (23272, 881419), (31999, 641032), (40726, 503668), (45788, 447986), (63998, 320516), (80129, 255992), (81452, 251834), (91576, 223993), (125917, 162904), (127996, 160258)]