20784621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48449}}^1$

素因数の和:48476

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 11773779

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48449, 145347, 532939, 629837, 1598817, 1889511, 6928207, 20784621]

約数ペア:

[(1, 20784621), (3, 6928207), (11, 1889511), (13, 1598817), (33, 629837), (39, 532939), (143, 145347), (429, 48449)]