20992611

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4259}}^1$

素因数の和:4346

約数の個数: 16

約数和(自身を含む): 29445120

約数和(自身を除く): 8452509

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4259, 4929, 12777, 132029, 225727, 396087, 677181, 6997537, 20992611]

約数ペア:

[(1, 20992611), (3, 6997537), (31, 677181), (53, 396087), (93, 225727), (159, 132029), (1643, 12777), (4259, 4929)]