20388230

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1447}}^1$

素因数の和:2863

約数の個数: 16

約数和(自身を含む): 36750240

約数和(自身を除く): 16362010

約数列:

[1, 2, 5, 10, 1409, 1447, 2818, 2894, 7045, 7235, 14090, 14470, 2038823, 4077646, 10194115, 20388230]

約数ペア:

[(1, 20388230), (2, 10194115), (5, 4077646), (10, 2038823), (1409, 14470), (1447, 14090), (2818, 7235), (2894, 7045)]