20807085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106703}}^1$

素因数の和:106724

約数の個数: 16

約数和(自身を含む): 35852544

約数和(自身を除く): 15045459

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 106703, 320109, 533515, 1387139, 1600545, 4161417, 6935695, 20807085]

約数ペア:

[(1, 20807085), (3, 6935695), (5, 4161417), (13, 1600545), (15, 1387139), (39, 533515), (65, 320109), (195, 106703)]