20739031570

素因数分解:

$2^1\times 5^1\times {\mathrm{45259}}^1\times {\mathrm{45823}}^1$

素因数の和:91089

約数の個数: 16

約数和(自身を含む): 37331896320

約数和(自身を除く): 16592864750

約数列:

[1, 2, 5, 10, 45259, 45823, 90518, 91646, 226295, 229115, 452590, 458230, 2073903157, 4147806314, 10369515785, 20739031570]

約数ペア:

[(1, 20739031570), (2, 10369515785), (5, 4147806314), (10, 2073903157), (45259, 458230), (45823, 452590), (90518, 229115), (91646, 226295)]