20802649621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{443147}}^1$

素因数の和:443340

約数の個数: 16

約数和(自身を含む): 23525841024

約数和(自身を除く): 2723191403

約数列:

[1, 13, 23, 157, 299, 2041, 3611, 46943, 443147, 5760911, 10192381, 69574079, 132500953, 904463027, 1600203817, 20802649621]

約数ペア:

[(1, 20802649621), (13, 1600203817), (23, 904463027), (157, 132500953), (299, 69574079), (2041, 10192381), (3611, 5760911), (46943, 443147)]