20744954

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1357

約数の個数: 16

約数和(自身を含む): 31968000

約数和(自身を除く): 11223046

約数列:

[1, 2, 47, 94, 199, 398, 1109, 2218, 9353, 18706, 52123, 104246, 220691, 441382, 10372477, 20744954]

約数ペア:

[(1, 20744954), (2, 10372477), (47, 441382), (94, 220691), (199, 104246), (398, 52123), (1109, 18706), (2218, 9353)]