20159064276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{320657}}^1$

素因数の和:320721

約数の個数: 72

約数和(自身を含む): 52577650944

約数和(自身を除く): 32418586668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 4836, 5239, 10478, 15717, 20956, 31434, 62868, 320657, 641314, 961971, 1282628, 1923942, 3847884, 4168541, 8337082, 9940367, 12505623, 16674164, 19880734, 25011246, 29821101, 39761468, 50022492, 54191033, 59642202, 108382066, 119284404, 129224771, 162573099, 216764132, 258449542, 325146198, 387674313, 516899084, 650292396, 775348626, 1550697252, 1679922023, 3359844046, 5039766069, 6719688092, 10079532138, 20159064276]

約数ペア:

[(1, 20159064276), (2, 10079532138), (3, 6719688092), (4, 5039766069), (6, 3359844046), (12, 1679922023), (13, 1550697252), (26, 775348626), (31, 650292396), (39, 516899084), (52, 387674313), (62, 325146198), (78, 258449542), (93, 216764132), (124, 162573099), (156, 129224771), (169, 119284404), (186, 108382066), (338, 59642202), (372, 54191033), (403, 50022492), (507, 39761468), (676, 29821101), (806, 25011246), (1014, 19880734), (1209, 16674164), (1612, 12505623), (2028, 9940367), (2418, 8337082), (4836, 4168541), (5239, 3847884), (10478, 1923942), (15717, 1282628), (20956, 961971), (31434, 641314), (62868, 320657)]