20121894

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{85991}}^1$

素因数の和:86012

約数の個数: 24

約数和(自身を含む): 46951632

約数和(自身を除く): 26829738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 85991, 171982, 257973, 515946, 773919, 1117883, 1547838, 2235766, 3353649, 6707298, 10060947, 20121894]

約数ペア:

[(1, 20121894), (2, 10060947), (3, 6707298), (6, 3353649), (9, 2235766), (13, 1547838), (18, 1117883), (26, 773919), (39, 515946), (78, 257973), (117, 171982), (234, 85991)]