20720231844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132821999}}^1$

素因数の和:132822019

約数の個数: 24

約数和(自身を含む): 52066224000

約数和(自身を除く): 31345992156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132821999, 265643998, 398465997, 531287996, 796931994, 1593863988, 1726685987, 3453371974, 5180057961, 6906743948, 10360115922, 20720231844]

約数ペア:

[(1, 20720231844), (2, 10360115922), (3, 6906743948), (4, 5180057961), (6, 3453371974), (12, 1726685987), (13, 1593863988), (26, 796931994), (39, 531287996), (52, 398465997), (78, 265643998), (156, 132821999)]