20923389

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3307}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 32683040

約数和(自身を除く): 11759651

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 3307, 6327, 9921, 29763, 62833, 122359, 188499, 367077, 565497, 1101231, 2324821, 6974463, 20923389]

約数ペア:

[(1, 20923389), (3, 6974463), (9, 2324821), (19, 1101231), (37, 565497), (57, 367077), (111, 188499), (171, 122359), (333, 62833), (703, 29763), (2109, 9921), (3307, 6327)]