20389364

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 36324288

約数和(自身を除く): 15934924

約数列:

[1, 2, 4, 131, 167, 233, 262, 334, 466, 524, 668, 932, 21877, 30523, 38911, 43754, 61046, 77822, 87508, 122092, 155644, 5097341, 10194682, 20389364]

約数ペア:

[(1, 20389364), (2, 10194682), (4, 5097341), (131, 155644), (167, 122092), (233, 87508), (262, 77822), (334, 61046), (466, 43754), (524, 38911), (668, 30523), (932, 21877)]