20015874

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{20981}}^1$

素因数の和:21042

約数の個数: 24

約数和(自身を含む): 44188092

約数和(自身を除く): 24172218

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 20981, 41962, 62943, 125886, 188829, 377658, 1111993, 2223986, 3335979, 6671958, 10007937, 20015874]

約数ペア:

[(1, 20015874), (2, 10007937), (3, 6671958), (6, 3335979), (9, 2223986), (18, 1111993), (53, 377658), (106, 188829), (159, 125886), (318, 62943), (477, 41962), (954, 20981)]