20725005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197381}}^1$

素因数の和:197396

約数の個数: 16

約数和(自身を含む): 37897344

約数和(自身を除く): 17172339

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197381, 592143, 986905, 1381667, 2960715, 4145001, 6908335, 20725005]

約数ペア:

[(1, 20725005), (3, 6908335), (5, 4145001), (7, 2960715), (15, 1381667), (21, 986905), (35, 592143), (105, 197381)]