20821806

素因数分解:

$2^1\times 3^3\times {\mathrm{385589}}^1$

素因数の和:385600

約数の個数: 16

約数和(自身を含む): 46270800

約数和(自身を除く): 25448994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 385589, 771178, 1156767, 2313534, 3470301, 6940602, 10410903, 20821806]

約数ペア:

[(1, 20821806), (2, 10410903), (3, 6940602), (6, 3470301), (9, 2313534), (18, 1156767), (27, 771178), (54, 385589)]