20118288304

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2864221}}^1$

素因数の和:2864668

約数の個数: 20

約数和(自身を含む): 39067988080

約数和(自身を除く): 18949699776

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 2864221, 5728442, 11456884, 22913768, 45827536, 1257393019, 2514786038, 5029572076, 10059144152, 20118288304]

約数ペア:

[(1, 20118288304), (2, 10059144152), (4, 5029572076), (8, 2514786038), (16, 1257393019), (439, 45827536), (878, 22913768), (1756, 11456884), (3512, 5728442), (7024, 2864221)]