20161894508

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2175431}}^1$

素因数の和:2175773

約数の個数: 24

約数和(自身を含む): 40445631744

約数和(自身を除く): 20283737236

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2317, 4634, 9268, 2175431, 4350862, 8701724, 15228017, 30456034, 60912068, 720067661, 1440135322, 2880270644, 5040473627, 10080947254, 20161894508]

約数ペア:

[(1, 20161894508), (2, 10080947254), (4, 5040473627), (7, 2880270644), (14, 1440135322), (28, 720067661), (331, 60912068), (662, 30456034), (1324, 15228017), (2317, 8701724), (4634, 4350862), (9268, 2175431)]