20531862

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87743}}^1$

素因数の和:87764

約数の個数: 24

約数和(自身を含む): 47908224

約数和(自身を除く): 27376362

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87743, 175486, 263229, 526458, 789687, 1140659, 1579374, 2281318, 3421977, 6843954, 10265931, 20531862]

約数ペア:

[(1, 20531862), (2, 10265931), (3, 6843954), (6, 3421977), (9, 2281318), (13, 1579374), (18, 1140659), (26, 789687), (39, 526458), (78, 263229), (117, 175486), (234, 87743)]