20212590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16433}}^1$

素因数の和:16484

約数の個数: 32

約数和(自身を含む): 49696416

約数和(自身を除く): 29483826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16433, 32866, 49299, 82165, 98598, 164330, 246495, 492990, 673753, 1347506, 2021259, 3368765, 4042518, 6737530, 10106295, 20212590]

約数ペア:

[(1, 20212590), (2, 10106295), (3, 6737530), (5, 4042518), (6, 3368765), (10, 2021259), (15, 1347506), (30, 673753), (41, 492990), (82, 246495), (123, 164330), (205, 98598), (246, 82165), (410, 49299), (615, 32866), (1230, 16433)]