20823465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106787}}^1$

素因数の和:106808

約数の個数: 16

約数和(自身を含む): 35880768

約数和(自身を除く): 15057303

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 106787, 320361, 533935, 1388231, 1601805, 4164693, 6941155, 20823465]

約数ペア:

[(1, 20823465), (3, 6941155), (5, 4164693), (13, 1601805), (15, 1388231), (39, 533935), (65, 320361), (195, 106787)]