20308485

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19069}}^1$

素因数の和:19148

約数の個数: 16

約数和(自身を含む): 32952960

約数和(自身を除く): 12644475

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19069, 57207, 95345, 286035, 1353899, 4061697, 6769495, 20308485]

約数ペア:

[(1, 20308485), (3, 6769495), (5, 4061697), (15, 1353899), (71, 286035), (213, 95345), (355, 57207), (1065, 19069)]