20091031888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30626573}}^1$

素因数の和:30626622

約数の個数: 20

約数和(自身を含む): 39875799348

約数和(自身を除く): 19784767460

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30626573, 61253146, 122506292, 245012584, 490025168, 1255689493, 2511378986, 5022757972, 10045515944, 20091031888]

約数ペア:

[(1, 20091031888), (2, 10045515944), (4, 5022757972), (8, 2511378986), (16, 1255689493), (41, 490025168), (82, 245012584), (164, 122506292), (328, 61253146), (656, 30626573)]