20882091

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4517}}^1$

素因数の和:4610

約数の個数: 16

約数和(自身を含む): 29493504

約数和(自身を除く): 8611413

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4517, 4623, 13551, 103891, 302639, 311673, 907917, 6960697, 20882091]

約数ペア:

[(1, 20882091), (3, 6960697), (23, 907917), (67, 311673), (69, 302639), (201, 103891), (1541, 13551), (4517, 4623)]