20176471133

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 25955328000

約数和(自身を除く): 5778856867

約数列:

[1, 7, 13, 49, 59, 91, 271, 283, 343, 413, 637, 767, 1897, 1981, 2891, 3523, 3679, 4459, 5369, 13279, 13867, 15989, 16697, 20237, 24661, 25753, 37583, 76693, 92953, 97069, 111923, 116879, 172627, 180271, 207857, 217061, 263081, 536851, 783461, 818153, 997009, 1208389, 1261897, 1454999, 1519427, 3757957, 4524887, 5484227, 5727071, 6979063, 10184993, 10635989, 26305699, 31674209, 48853441, 58823531, 71294951, 74451923, 221719463, 341974087, 411764717, 1552036241, 2882353019, 20176471133]

約数ペア:

[(1, 20176471133), (7, 2882353019), (13, 1552036241), (49, 411764717), (59, 341974087), (91, 221719463), (271, 74451923), (283, 71294951), (343, 58823531), (413, 48853441), (637, 31674209), (767, 26305699), (1897, 10635989), (1981, 10184993), (2891, 6979063), (3523, 5727071), (3679, 5484227), (4459, 4524887), (5369, 3757957), (13279, 1519427), (13867, 1454999), (15989, 1261897), (16697, 1208389), (20237, 997009), (24661, 818153), (25753, 783461), (37583, 536851), (76693, 263081), (92953, 217061), (97069, 207857), (111923, 180271), (116879, 172627)]