20478045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195029}}^1$

素因数の和:195044

約数の個数: 16

約数和(自身を含む): 37445760

約数和(自身を除く): 16967715

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195029, 585087, 975145, 1365203, 2925435, 4095609, 6826015, 20478045]

約数ペア:

[(1, 20478045), (3, 6826015), (5, 4095609), (7, 2925435), (15, 1365203), (21, 975145), (35, 585087), (105, 195029)]