20512142637

素因数分解:

$3^1\times 7^1\times {\mathrm{24001}}^1\times {\mathrm{40697}}^1$

素因数の和:64708

約数の個数: 16

約数和(自身を含む): 31258668672

約数和(自身を除く): 10746526035

約数列:

[1, 3, 7, 21, 24001, 40697, 72003, 122091, 168007, 284879, 504021, 854637, 976768697, 2930306091, 6837380879, 20512142637]

約数ペア:

[(1, 20512142637), (3, 6837380879), (7, 2930306091), (21, 976768697), (24001, 854637), (40697, 504021), (72003, 284879), (122091, 168007)]