20545356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131701}}^1$

素因数の和:131721

約数の個数: 24

約数和(自身を含む): 51627184

約数和(自身を除く): 31081828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131701, 263402, 395103, 526804, 790206, 1580412, 1712113, 3424226, 5136339, 6848452, 10272678, 20545356]

約数ペア:

[(1, 20545356), (2, 10272678), (3, 6848452), (4, 5136339), (6, 3424226), (12, 1712113), (13, 1580412), (26, 790206), (39, 526804), (52, 395103), (78, 263402), (156, 131701)]