2099620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 4484088

約数和(自身を除く): 2384468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1721, 3442, 6884, 8605, 17210, 34420, 104981, 209962, 419924, 524905, 1049810, 2099620]

約数ペア:

[(1, 2099620), (2, 1049810), (4, 524905), (5, 419924), (10, 209962), (20, 104981), (61, 34420), (122, 17210), (244, 8605), (305, 6884), (610, 3442), (1220, 1721)]