20156134820

素因数分解:

$2^2\times 5^1\times {\mathrm{11321}}^1\times {\mathrm{89021}}^1$

素因数の和:100351

約数の個数: 24

約数和(自身を含む): 42332097528

約数和(自身を除く): 22175962708

約数列:

[1, 2, 4, 5, 10, 20, 11321, 22642, 45284, 56605, 89021, 113210, 178042, 226420, 356084, 445105, 890210, 1780420, 1007806741, 2015613482, 4031226964, 5039033705, 10078067410, 20156134820]

約数ペア:

[(1, 20156134820), (2, 10078067410), (4, 5039033705), (5, 4031226964), (10, 2015613482), (20, 1007806741), (11321, 1780420), (22642, 890210), (45284, 445105), (56605, 356084), (89021, 226420), (113210, 178042)]