20817234

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21821}}^1$

素因数の和:21882

約数の個数: 24

約数和(自身を含む): 45957132

約数和(自身を除く): 25139898

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21821, 43642, 65463, 130926, 196389, 392778, 1156513, 2313026, 3469539, 6939078, 10408617, 20817234]

約数ペア:

[(1, 20817234), (2, 10408617), (3, 6939078), (6, 3469539), (9, 2313026), (18, 1156513), (53, 392778), (106, 196389), (159, 130926), (318, 65463), (477, 43642), (954, 21821)]