20718731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2920309

約数列:

[1, 11, 29, 107, 319, 607, 1177, 3103, 6677, 17603, 34133, 64949, 193633, 714439, 1883521, 20718731]

約数ペア:

[(1, 20718731), (11, 1883521), (29, 714439), (107, 193633), (319, 64949), (607, 34133), (1177, 17603), (3103, 6677)]