20239675216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66577879}}^1$

素因数の和:66577906

約数の個数: 20

約数和(自身を含む): 41278285600

約数和(自身を除く): 21038610384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66577879, 133155758, 266311516, 532623032, 1065246064, 1264979701, 2529959402, 5059918804, 10119837608, 20239675216]

約数ペア:

[(1, 20239675216), (2, 10119837608), (4, 5059918804), (8, 2529959402), (16, 1264979701), (19, 1065246064), (38, 532623032), (76, 266311516), (152, 133155758), (304, 66577879)]