20738741

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 22239360

約数和(自身を除く): 1500619

約数列:

[1, 29, 53, 103, 131, 1537, 2987, 3799, 5459, 6943, 13493, 158311, 201347, 391297, 715129, 20738741]

約数ペア:

[(1, 20738741), (29, 715129), (53, 391297), (103, 201347), (131, 158311), (1537, 13493), (2987, 6943), (3799, 5459)]