20139045392

素因数分解:

$2^4\times {\mathrm{21997}}^1\times {\mathrm{57221}}^1$

素因数の和:79226

約数の個数: 20

約数和(自身を含む): 39021856236

約数和(自身を除く): 18882810844

約数列:

[1, 2, 4, 8, 16, 21997, 43994, 57221, 87988, 114442, 175976, 228884, 351952, 457768, 915536, 1258690337, 2517380674, 5034761348, 10069522696, 20139045392]

約数ペア:

[(1, 20139045392), (2, 10069522696), (4, 5034761348), (8, 2517380674), (16, 1258690337), (21997, 915536), (43994, 457768), (57221, 351952), (87988, 228884), (114442, 175976)]