20364385

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{829}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 25995600

約数和(自身を除く): 5631215

約数列:

[1, 5, 17, 85, 289, 829, 1445, 4145, 4913, 14093, 24565, 70465, 239581, 1197905, 4072877, 20364385]

約数ペア:

[(1, 20364385), (5, 4072877), (17, 1197905), (85, 239581), (289, 70465), (829, 24565), (1445, 14093), (4145, 4913)]