20005719559

素因数分解:

$7^3\times {\mathrm{151}}^1\times {\mathrm{386263}}^1$

素因数の和:386435

約数の個数: 16

約数和(自身を含む): 23484851200

約数和(自身を除く): 3479131641

約数列:

[1, 7, 49, 151, 343, 1057, 7399, 51793, 386263, 2703841, 18926887, 58325713, 132488209, 408279991, 2857959937, 20005719559]

約数ペア:

[(1, 20005719559), (7, 2857959937), (49, 408279991), (151, 132488209), (343, 58325713), (1057, 18926887), (7399, 2703841), (51793, 386263)]