20492874

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21481}}^1$

素因数の和:21542

約数の個数: 24

約数和(自身を含む): 45241092

約数和(自身を除く): 24748218

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21481, 42962, 64443, 128886, 193329, 386658, 1138493, 2276986, 3415479, 6830958, 10246437, 20492874]

約数ペア:

[(1, 20492874), (2, 10246437), (3, 6830958), (6, 3415479), (9, 2276986), (18, 1138493), (53, 386658), (106, 193329), (159, 128886), (318, 64443), (477, 42962), (954, 21481)]