20671635

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47521}}^1$

素因数の和:47558

約数の個数: 16

約数和(自身を含む): 34215840

約数和(自身を除く): 13544205

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 47521, 142563, 237605, 712815, 1378109, 4134327, 6890545, 20671635]

約数ペア:

[(1, 20671635), (3, 6890545), (5, 4134327), (15, 1378109), (29, 712815), (87, 237605), (145, 142563), (435, 47521)]