20516212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4133}}^1$

素因数の和:4227

約数の個数: 24

約数和(自身を含む): 38545416

約数和(自身を除く): 18029204

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4133, 4964, 8266, 16532, 70261, 140522, 281044, 301709, 603418, 1206836, 5129053, 10258106, 20516212]

約数ペア:

[(1, 20516212), (2, 10258106), (4, 5129053), (17, 1206836), (34, 603418), (68, 301709), (73, 281044), (146, 140522), (292, 70261), (1241, 16532), (2482, 8266), (4133, 4964)]