20209787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4813}}^1$

素因数の和:4862

約数の個数: 16

約数和(自身を含む): 24262560

約数和(自身を除く): 4052773

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4813, 62569, 81821, 91447, 1063673, 1188811, 1554599, 20209787]

約数ペア:

[(1, 20209787), (13, 1554599), (17, 1188811), (19, 1063673), (221, 91447), (247, 81821), (323, 62569), (4199, 4813)]