20810613

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3989}}^1$

素因数の和:4076

約数の個数: 16

約数和(自身を含む): 29111040

約数和(自身を除く): 8300427

約数列:

[1, 3, 37, 47, 111, 141, 1739, 3989, 5217, 11967, 147593, 187483, 442779, 562449, 6936871, 20810613]

約数ペア:

[(1, 20810613), (3, 6936871), (37, 562449), (47, 442779), (111, 187483), (141, 147593), (1739, 11967), (3989, 5217)]