20423754

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87281}}^1$

素因数の和:87302

約数の個数: 24

約数和(自身を含む): 47655972

約数和(自身を除く): 27232218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87281, 174562, 261843, 523686, 785529, 1134653, 1571058, 2269306, 3403959, 6807918, 10211877, 20423754]

約数ペア:

[(1, 20423754), (2, 10211877), (3, 6807918), (6, 3403959), (9, 2269306), (13, 1571058), (18, 1134653), (26, 785529), (39, 523686), (78, 261843), (117, 174562), (234, 87281)]