20802902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3301}}^1$

素因数の和:3463

約数の個数: 16

約数和(自身を含む): 32808672

約数和(自身を除く): 12005770

約数列:

[1, 2, 23, 46, 137, 274, 3151, 3301, 6302, 6602, 75923, 151846, 452237, 904474, 10401451, 20802902]

約数ペア:

[(1, 20802902), (2, 10401451), (23, 904474), (46, 452237), (137, 151846), (274, 75923), (3151, 6602), (3301, 6302)]