20121708428

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{94913719}}^1$

素因数の和:94913776

約数の個数: 12

約数和(自身を含む): 35877386160

約数和(自身を除く): 15755677732

約数列:

[1, 2, 4, 53, 106, 212, 94913719, 189827438, 379654876, 5030427107, 10060854214, 20121708428]

約数ペア:

[(1, 20121708428), (2, 10060854214), (4, 5030427107), (53, 379654876), (106, 189827438), (212, 94913719)]