20537751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30977}}^1$

素因数の和:31010

約数の個数: 16

約数和(自身を含む): 31225824

約数和(自身を除く): 10688073

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30977, 92931, 402701, 526609, 1208103, 1579827, 6845917, 20537751]

約数ペア:

[(1, 20537751), (3, 6845917), (13, 1579827), (17, 1208103), (39, 526609), (51, 402701), (221, 92931), (663, 30977)]