20982345

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5573}}^1$

素因数の和:5832

約数の個数: 16

約数和(自身を含む): 33711552

約数和(自身を除く): 12729207

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 5573, 16719, 27865, 83595, 1398823, 4196469, 6994115, 20982345]

約数ペア:

[(1, 20982345), (3, 6994115), (5, 4196469), (15, 1398823), (251, 83595), (753, 27865), (1255, 16719), (3765, 5573)]