20163940791

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{405607}}^1$

素因数の和:405910

約数の個数: 16

約数和(自身を含む): 27373672704

約数和(自身を除く): 7209731913

約数列:

[1, 3, 73, 219, 227, 681, 16571, 49713, 405607, 1216821, 29609311, 88827933, 92072789, 276218367, 6721313597, 20163940791]

約数ペア:

[(1, 20163940791), (3, 6721313597), (73, 276218367), (219, 92072789), (227, 88827933), (681, 29609311), (16571, 1216821), (49713, 405607)]