20896005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8243}}^1$

素因数の和:8277

約数の個数: 24

約数和(自身を含む): 36207648

約数和(自身を除く): 15311643

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8243, 24729, 41215, 107159, 123645, 321477, 535795, 1393067, 1607385, 4179201, 6965335, 20896005]

約数ペア:

[(1, 20896005), (3, 6965335), (5, 4179201), (13, 1607385), (15, 1393067), (39, 535795), (65, 321477), (169, 123645), (195, 107159), (507, 41215), (845, 24729), (2535, 8243)]