20472765

素因数分解:

$3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3109}}^1$

素因数の和:3556

約数の個数: 16

約数和(自身を含む): 32841600

約数和(自身を除く): 12368835

約数列:

[1, 3, 5, 15, 439, 1317, 2195, 3109, 6585, 9327, 15545, 46635, 1364851, 4094553, 6824255, 20472765]

約数ペア:

[(1, 20472765), (3, 6824255), (5, 4094553), (15, 1364851), (439, 46635), (1317, 15545), (2195, 9327), (3109, 6585)]