20132980881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{2027}}^1$

素因数の和:2342

約数の個数: 64

約数和(自身を含む): 31203035136

約数和(自身を除く): 11070054255

約数列:

[1, 3, 13, 17, 39, 51, 71, 211, 213, 221, 633, 663, 923, 1207, 2027, 2743, 2769, 3587, 3621, 6081, 8229, 10761, 14981, 15691, 26351, 34459, 44943, 46631, 47073, 79053, 103377, 139893, 143917, 194753, 254677, 427697, 431751, 447967, 584259, 764031, 1283091, 1343901, 1870921, 2446589, 3310801, 5560061, 5612763, 7270849, 7339767, 9932403, 16680183, 21812547, 30366487, 31805657, 91099461, 94521037, 95416971, 283563111, 394764331, 516230279, 1184292993, 1548690837, 6710993627, 20132980881]

約数ペア:

[(1, 20132980881), (3, 6710993627), (13, 1548690837), (17, 1184292993), (39, 516230279), (51, 394764331), (71, 283563111), (211, 95416971), (213, 94521037), (221, 91099461), (633, 31805657), (663, 30366487), (923, 21812547), (1207, 16680183), (2027, 9932403), (2743, 7339767), (2769, 7270849), (3587, 5612763), (3621, 5560061), (6081, 3310801), (8229, 2446589), (10761, 1870921), (14981, 1343901), (15691, 1283091), (26351, 764031), (34459, 584259), (44943, 447967), (46631, 431751), (47073, 427697), (79053, 254677), (103377, 194753), (139893, 143917)]