20213690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288767}}^1$

素因数の和:288781

約数の個数: 16

約数和(自身を含む): 41582592

約数和(自身を除く): 21368902

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288767, 577534, 1443835, 2021369, 2887670, 4042738, 10106845, 20213690]

約数ペア:

[(1, 20213690), (2, 10106845), (5, 4042738), (7, 2887670), (10, 2021369), (14, 1443835), (35, 577534), (70, 288767)]