20189761616

素因数分解:

$2^4\times {\mathrm{7211}}^1\times {\mathrm{174991}}^1$

素因数の和:182210

約数の個数: 20

約数和(自身を含む): 39123311424

約数和(自身を除く): 18933549808

約数列:

[1, 2, 4, 8, 16, 7211, 14422, 28844, 57688, 115376, 174991, 349982, 699964, 1399928, 2799856, 1261860101, 2523720202, 5047440404, 10094880808, 20189761616]

約数ペア:

[(1, 20189761616), (2, 10094880808), (4, 5047440404), (8, 2523720202), (16, 1261860101), (7211, 2799856), (14422, 1399928), (28844, 699964), (57688, 349982), (115376, 174991)]