20138363

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 24820992

約数和(自身を除く): 4682629

約数列:

[1, 7, 23, 49, 107, 161, 167, 749, 1127, 1169, 2461, 3841, 5243, 8183, 17227, 17869, 26887, 120589, 125083, 188209, 410987, 875581, 2876909, 20138363]

約数ペア:

[(1, 20138363), (7, 2876909), (23, 875581), (49, 410987), (107, 188209), (161, 125083), (167, 120589), (749, 26887), (1127, 17869), (1169, 17227), (2461, 8183), (3841, 5243)]