20512761976

素因数分解:

$2^3\times 7^1\times {\mathrm{7001}}^1\times {\mathrm{52321}}^1$

素因数の和:59335

約数の個数: 32

約数和(自身を含む): 43963037280

約数和(自身を除く): 23450275304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7001, 14002, 28004, 49007, 52321, 56008, 98014, 104642, 196028, 209284, 366247, 392056, 418568, 732494, 1464988, 2929976, 366299321, 732598642, 1465197284, 2564095247, 2930394568, 5128190494, 10256380988, 20512761976]

約数ペア:

[(1, 20512761976), (2, 10256380988), (4, 5128190494), (7, 2930394568), (8, 2564095247), (14, 1465197284), (28, 732598642), (56, 366299321), (7001, 2929976), (14002, 1464988), (28004, 732494), (49007, 418568), (52321, 392056), (56008, 366247), (98014, 209284), (104642, 196028)]