20121635860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23397251}}^1$

素因数の和:23397303

約数の個数: 24

約数和(自身を含む): 43238121696

約数和(自身を除く): 23116485836

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23397251, 46794502, 93589004, 116986255, 233972510, 467945020, 1006081793, 2012163586, 4024327172, 5030408965, 10060817930, 20121635860]

約数ペア:

[(1, 20121635860), (2, 10060817930), (4, 5030408965), (5, 4024327172), (10, 2012163586), (20, 1006081793), (43, 467945020), (86, 233972510), (172, 116986255), (215, 93589004), (430, 46794502), (860, 23397251)]