20218458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259211}}^1$

素因数の和:259229

約数の個数: 16

約数和(自身を含む): 43547616

約数和(自身を除く): 23329158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 259211, 518422, 777633, 1555266, 3369743, 6739486, 10109229, 20218458]

約数ペア:

[(1, 20218458), (2, 10109229), (3, 6739486), (6, 3369743), (13, 1555266), (26, 777633), (39, 518422), (78, 259211)]