20211883480

素因数分解:

$2^3\times 5^1\times {\mathrm{505297087}}^1$

素因数の和:505297098

約数の個数: 16

約数和(自身を含む): 45476737920

約数和(自身を除く): 25264854440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505297087, 1010594174, 2021188348, 2526485435, 4042376696, 5052970870, 10105941740, 20211883480]

約数ペア:

[(1, 20211883480), (2, 10105941740), (4, 5052970870), (5, 4042376696), (8, 2526485435), (10, 2021188348), (20, 1010594174), (40, 505297087)]