20163785578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 33218076672

約数和(自身を除く): 13054291094

約数列:

[1, 2, 17, 34, 43, 86, 163, 191, 326, 382, 443, 731, 886, 1462, 2771, 3247, 5542, 6494, 7009, 7531, 8213, 14018, 15062, 16426, 19049, 31133, 38098, 62266, 72209, 84613, 119153, 139621, 144418, 169226, 238306, 279242, 323833, 529261, 647666, 1058522, 1227553, 1338719, 1438421, 2455106, 2677438, 2876842, 3104987, 3638359, 6209974, 7276718, 13791919, 22758223, 27583838, 45516446, 52784779, 61852103, 105569558, 123704206, 234462623, 468925246, 593052517, 1186105034, 10081892789, 20163785578]

約数ペア:

[(1, 20163785578), (2, 10081892789), (17, 1186105034), (34, 593052517), (43, 468925246), (86, 234462623), (163, 123704206), (191, 105569558), (326, 61852103), (382, 52784779), (443, 45516446), (731, 27583838), (886, 22758223), (1462, 13791919), (2771, 7276718), (3247, 6209974), (5542, 3638359), (6494, 3104987), (7009, 2876842), (7531, 2677438), (8213, 2455106), (14018, 1438421), (15062, 1338719), (16426, 1227553), (19049, 1058522), (31133, 647666), (38098, 529261), (62266, 323833), (72209, 279242), (84613, 238306), (119153, 169226), (139621, 144418)]