20498918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13907}}^1$

素因数の和:13987

約数の個数: 16

約数和(自身を含む): 34046784

約数和(自身を除く): 13547866

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 13907, 27814, 152977, 305954, 931769, 1863538, 10249459, 20498918]

約数ペア:

[(1, 20498918), (2, 10249459), (11, 1863538), (22, 931769), (67, 305954), (134, 152977), (737, 27814), (1474, 13907)]