20671455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{196871}}^1$

素因数の和:196886

約数の個数: 16

約数和(自身を含む): 37799424

約数和(自身を除く): 17127969

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 196871, 590613, 984355, 1378097, 2953065, 4134291, 6890485, 20671455]

約数ペア:

[(1, 20671455), (3, 6890485), (5, 4134291), (7, 2953065), (15, 1378097), (21, 984355), (35, 590613), (105, 196871)]