20676095864

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3910003}}^1$

素因数の和:3910670

約数の個数: 16

約数和(自身を含む): 38826339720

約数和(自身を除く): 18150243856

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 5288, 3910003, 7820006, 15640012, 31280024, 2584511983, 5169023966, 10338047932, 20676095864]

約数ペア:

[(1, 20676095864), (2, 10338047932), (4, 5169023966), (8, 2584511983), (661, 31280024), (1322, 15640012), (2644, 7820006), (5288, 3910003)]