194790020

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{10691}}^1$

素因数の和:11611

約数の個数: 24

約数和(自身を含む): 409546368

約数和(自身を除く): 214756348

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 10691, 18220, 21382, 42764, 53455, 106910, 213820, 9739501, 19479002, 38958004, 48697505, 97395010, 194790020]

約数ペア:

[(1, 194790020), (2, 97395010), (4, 48697505), (5, 38958004), (10, 19479002), (20, 9739501), (911, 213820), (1822, 106910), (3644, 53455), (4555, 42764), (9110, 21382), (10691, 18220)]