20019708

素因数分解:

$2^2\times 3^2\times {\mathrm{556103}}^1$

素因数の和:556113

約数の個数: 18

約数和(自身を含む): 50605464

約数和(自身を除く): 30585756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556103, 1112206, 1668309, 2224412, 3336618, 5004927, 6673236, 10009854, 20019708]

約数ペア:

[(1, 20019708), (2, 10009854), (3, 6673236), (4, 5004927), (6, 3336618), (9, 2224412), (12, 1668309), (18, 1112206), (36, 556103)]