20519889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7853}}^1$

素因数の和:7936

約数の個数: 16

約数和(自身を含む): 29908032

約数和(自身を除く): 9388143

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7853, 23559, 102089, 306267, 526151, 1578453, 6839963, 20519889]

約数ペア:

[(1, 20519889), (3, 6839963), (13, 1578453), (39, 526151), (67, 306267), (201, 102089), (871, 23559), (2613, 7853)]