20740872010

素因数分解:

$2^1\times 5^1\times {\mathrm{2887}}^1\times {\mathrm{718423}}^1$

素因数の和:721317

約数の個数: 16

約数和(自身を含む): 37346553216

約数和(自身を除く): 16605681206

約数列:

[1, 2, 5, 10, 2887, 5774, 14435, 28870, 718423, 1436846, 3592115, 7184230, 2074087201, 4148174402, 10370436005, 20740872010]

約数ペア:

[(1, 20740872010), (2, 10370436005), (5, 4148174402), (10, 2074087201), (2887, 7184230), (5774, 3592115), (14435, 1436846), (28870, 718423)]