20899095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199039}}^1$

素因数の和:199054

約数の個数: 16

約数和(自身を含む): 38215680

約数和(自身を除く): 17316585

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199039, 597117, 995195, 1393273, 2985585, 4179819, 6966365, 20899095]

約数ペア:

[(1, 20899095), (3, 6966365), (5, 4179819), (7, 2985585), (15, 1393273), (21, 995195), (35, 597117), (105, 199039)]