20164779952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66331513}}^1$

素因数の和:66331540

約数の個数: 20

約数和(自身を含む): 41125538680

約数和(自身を除く): 20960758728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66331513, 132663026, 265326052, 530652104, 1061304208, 1260298747, 2520597494, 5041194988, 10082389976, 20164779952]

約数ペア:

[(1, 20164779952), (2, 10082389976), (4, 5041194988), (8, 2520597494), (16, 1260298747), (19, 1061304208), (38, 530652104), (76, 265326052), (152, 132663026), (304, 66331513)]