20516260

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4519}}^1$

素因数の和:4755

約数の個数: 24

約数和(自身を含む): 43283520

約数和(自身を除く): 22767260

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4519, 4540, 9038, 18076, 22595, 45190, 90380, 1025813, 2051626, 4103252, 5129065, 10258130, 20516260]

約数ペア:

[(1, 20516260), (2, 10258130), (4, 5129065), (5, 4103252), (10, 2051626), (20, 1025813), (227, 90380), (454, 45190), (908, 22595), (1135, 18076), (2270, 9038), (4519, 4540)]