20309397488

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15293221}}^1$

素因数の和:15293312

約数の個数: 20

約数和(自身を含む): 39823550088

約数和(自身を除く): 19514152600

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15293221, 30586442, 61172884, 122345768, 244691536, 1269337343, 2538674686, 5077349372, 10154698744, 20309397488]

約数ペア:

[(1, 20309397488), (2, 10154698744), (4, 5077349372), (8, 2538674686), (16, 1269337343), (83, 244691536), (166, 122345768), (332, 61172884), (664, 30586442), (1328, 15293221)]