20538666

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21529}}^1$

素因数の和:21590

約数の個数: 24

約数和(自身を含む): 45342180

約数和(自身を除く): 24803514

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21529, 43058, 64587, 129174, 193761, 387522, 1141037, 2282074, 3423111, 6846222, 10269333, 20538666]

約数ペア:

[(1, 20538666), (2, 10269333), (3, 6846222), (6, 3423111), (9, 2282074), (18, 1141037), (53, 387522), (106, 193761), (159, 129174), (318, 64587), (477, 43058), (954, 21529)]