20806835

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25847}}^1$

素因数の和:25882

約数の個数: 16

約数和(自身を含む): 29776896

約数和(自身を除く): 8970061

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25847, 129235, 180929, 594481, 904645, 2972405, 4161367, 20806835]

約数ペア:

[(1, 20806835), (5, 4161367), (7, 2972405), (23, 904645), (35, 594481), (115, 180929), (161, 129235), (805, 25847)]