919262020

素因数分解:

$2^2\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{16433}}^1$

素因数の和:19239

約数の個数: 24

約数和(自身を含む): 1931257944

約数和(自身を除く): 1011995924

約数列:

[1, 2, 4, 5, 10, 20, 2797, 5594, 11188, 13985, 16433, 27970, 32866, 55940, 65732, 82165, 164330, 328660, 45963101, 91926202, 183852404, 229815505, 459631010, 919262020]

約数ペア:

[(1, 919262020), (2, 459631010), (4, 229815505), (5, 183852404), (10, 91926202), (20, 45963101), (2797, 328660), (5594, 164330), (11188, 82165), (13985, 65732), (16433, 55940), (27970, 32866)]