20657029110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688567637}}^1$

素因数の和:688567647

約数の個数: 16

約数和(自身を含む): 49576869936

約数和(自身を除く): 28919840826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688567637, 1377135274, 2065702911, 3442838185, 4131405822, 6885676370, 10328514555, 20657029110]

約数ペア:

[(1, 20657029110), (2, 10328514555), (3, 6885676370), (5, 4131405822), (6, 3442838185), (10, 2065702911), (15, 1377135274), (30, 688567637)]