31863220

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4013}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 67098024

約数和(自身を除く): 35234804

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 4013, 7940, 8026, 16052, 20065, 40130, 80260, 1593161, 3186322, 6372644, 7965805, 15931610, 31863220]

約数ペア:

[(1, 31863220), (2, 15931610), (4, 7965805), (5, 6372644), (10, 3186322), (20, 1593161), (397, 80260), (794, 40130), (1588, 20065), (1985, 16052), (3970, 8026), (4013, 7940)]