20168704808

素因数分解:

$2^3\times 7^1\times {\mathrm{881}}^1\times {\mathrm{408803}}^1$

素因数の和:409697

約数の個数: 32

約数和(自身を含む): 43267815360

約数和(自身を除く): 23099110552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 881, 1762, 3524, 6167, 7048, 12334, 24668, 49336, 408803, 817606, 1635212, 2861621, 3270424, 5723242, 11446484, 22892968, 360155443, 720310886, 1440621772, 2521088101, 2881243544, 5042176202, 10084352404, 20168704808]

約数ペア:

[(1, 20168704808), (2, 10084352404), (4, 5042176202), (7, 2881243544), (8, 2521088101), (14, 1440621772), (28, 720310886), (56, 360155443), (881, 22892968), (1762, 11446484), (3524, 5723242), (6167, 3270424), (7048, 2861621), (12334, 1635212), (24668, 817606), (49336, 408803)]