20420012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{523}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 36797376

約数和(自身を除く): 16377364

約数列:

[1, 2, 4, 43, 86, 172, 227, 454, 523, 908, 1046, 2092, 9761, 19522, 22489, 39044, 44978, 89956, 118721, 237442, 474884, 5105003, 10210006, 20420012]

約数ペア:

[(1, 20420012), (2, 10210006), (4, 5105003), (43, 474884), (86, 237442), (172, 118721), (227, 89956), (454, 44978), (523, 39044), (908, 22489), (1046, 19522), (2092, 9761)]