20208216268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{449591}}^1$

素因数の和:450273

約数の個数: 24

約数和(自身を含む): 37501367904

約数和(自身を除く): 17293151636

約数列:

[1, 2, 4, 17, 34, 68, 661, 1322, 2644, 11237, 22474, 44948, 449591, 899182, 1798364, 7643047, 15286094, 30572188, 297179651, 594359302, 1188718604, 5052054067, 10104108134, 20208216268]

約数ペア:

[(1, 20208216268), (2, 10104108134), (4, 5052054067), (17, 1188718604), (34, 594359302), (68, 297179651), (661, 30572188), (1322, 15286094), (2644, 7643047), (11237, 1798364), (22474, 899182), (44948, 449591)]