20906367020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{163561}}^1$

素因数の和:163671

約数の個数: 96

約数和(自身を含む): 55396486656

約数和(自身を除く): 34490119636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 140, 154, 166, 220, 308, 332, 385, 415, 581, 770, 830, 913, 1162, 1540, 1660, 1826, 2324, 2905, 3652, 4565, 5810, 6391, 9130, 11620, 12782, 18260, 25564, 31955, 63910, 127820, 163561, 327122, 654244, 817805, 1144927, 1635610, 1799171, 2289854, 3271220, 3598342, 4579708, 5724635, 7196684, 8995855, 11449270, 12594197, 13575563, 17991710, 22898540, 25188394, 27151126, 35983420, 50376788, 54302252, 62970985, 67877815, 95028941, 125941970, 135755630, 149331193, 190057882, 251883940, 271511260, 298662386, 380115764, 475144705, 597324772, 746655965, 950289410, 1045318351, 1493311930, 1900578820, 2090636702, 2986623860, 4181273404, 5226591755, 10453183510, 20906367020]

約数ペア:

[(1, 20906367020), (2, 10453183510), (4, 5226591755), (5, 4181273404), (7, 2986623860), (10, 2090636702), (11, 1900578820), (14, 1493311930), (20, 1045318351), (22, 950289410), (28, 746655965), (35, 597324772), (44, 475144705), (55, 380115764), (70, 298662386), (77, 271511260), (83, 251883940), (110, 190057882), (140, 149331193), (154, 135755630), (166, 125941970), (220, 95028941), (308, 67877815), (332, 62970985), (385, 54302252), (415, 50376788), (581, 35983420), (770, 27151126), (830, 25188394), (913, 22898540), (1162, 17991710), (1540, 13575563), (1660, 12594197), (1826, 11449270), (2324, 8995855), (2905, 7196684), (3652, 5724635), (4565, 4579708), (5810, 3598342), (6391, 3271220), (9130, 2289854), (11620, 1799171), (12782, 1635610), (18260, 1144927), (25564, 817805), (31955, 654244), (63910, 327122), (127820, 163561)]