20962980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116461}}^1$

素因数の和:116476

約数の個数: 36

約数和(自身を含む): 63588252

約数和(自身を除く): 42625272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116461, 232922, 349383, 465844, 582305, 698766, 1048149, 1164610, 1397532, 1746915, 2096298, 2329220, 3493830, 4192596, 5240745, 6987660, 10481490, 20962980]

約数ペア:

[(1, 20962980), (2, 10481490), (3, 6987660), (4, 5240745), (5, 4192596), (6, 3493830), (9, 2329220), (10, 2096298), (12, 1746915), (15, 1397532), (18, 1164610), (20, 1048149), (30, 698766), (36, 582305), (45, 465844), (60, 349383), (90, 232922), (180, 116461)]