20177839941

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3129803}}^1$

素因数の和:3130120

約数の個数: 16

約数和(自身を含む): 30847348224

約数和(自身を除く): 10669508283

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 3129803, 9389409, 21908621, 65725863, 960849521, 2882548563, 6725946647, 20177839941]

約数ペア:

[(1, 20177839941), (3, 6725946647), (7, 2882548563), (21, 960849521), (307, 65725863), (921, 21908621), (2149, 9389409), (6447, 3129803)]