20944209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48821}}^1$

素因数の和:48848

約数の個数: 16

約数和(自身を含む): 32808384

約数和(自身を除く): 11864175

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48821, 146463, 537031, 634673, 1611093, 1904019, 6981403, 20944209]

約数ペア:

[(1, 20944209), (3, 6981403), (11, 1904019), (13, 1611093), (33, 634673), (39, 537031), (143, 146463), (429, 48821)]