213537020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{260411}}^1$

素因数の和:260461

約数の個数: 24

約数和(自身を含む): 459366768

約数和(自身を除く): 245829748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 260411, 520822, 1041644, 1302055, 2604110, 5208220, 10676851, 21353702, 42707404, 53384255, 106768510, 213537020]

約数ペア:

[(1, 213537020), (2, 106768510), (4, 53384255), (5, 42707404), (10, 21353702), (20, 10676851), (41, 5208220), (82, 2604110), (164, 1302055), (205, 1041644), (410, 520822), (820, 260411)]