20278738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14423}}^1$

素因数の和:14481

約数の個数: 16

約数和(自身を含む): 32886720

約数和(自身を除く): 12607982

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14423, 28846, 274037, 533651, 548074, 1067302, 10139369, 20278738]

約数ペア:

[(1, 20278738), (2, 10139369), (19, 1067302), (37, 548074), (38, 533651), (74, 274037), (703, 28846), (1406, 14423)]