20774910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53269}}^1$

素因数の和:53292

約数の個数: 32

約数和(自身を含む): 53696160

約数和(自身を除く): 32921250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53269, 106538, 159807, 266345, 319614, 532690, 692497, 799035, 1384994, 1598070, 2077491, 3462485, 4154982, 6924970, 10387455, 20774910]

約数ペア:

[(1, 20774910), (2, 10387455), (3, 6924970), (5, 4154982), (6, 3462485), (10, 2077491), (13, 1598070), (15, 1384994), (26, 799035), (30, 692497), (39, 532690), (65, 319614), (78, 266345), (130, 159807), (195, 106538), (390, 53269)]