20104218

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15731}}^1$

素因数の和:15810

約数の個数: 24

約数和(自身を含む): 44175456

約数和(自身を除く): 24071238

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15731, 31462, 47193, 94386, 141579, 283158, 1116901, 2233802, 3350703, 6701406, 10052109, 20104218]

約数ペア:

[(1, 20104218), (2, 10052109), (3, 6701406), (6, 3350703), (9, 2233802), (18, 1116901), (71, 283158), (142, 141579), (213, 94386), (426, 47193), (639, 31462), (1278, 15731)]